{"v":"2.0","page_type":"product","title":"Get the Best Performance with United Engine Machine Chevy 396/402ci FHR Forged Pistons Solid Dome .204\" IC9948.040 parts at JEGS. Shop Now at the Guaranteed Lowest Price!","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"United Engine Machine","href":"/python/html6/menu_brand_products/1000/149000/menu_brand_products_UnitedEngineMachine_1_ddd21e3314.html"},{"label":"IC9948.040","href":null}],"content":{"product":{"mpn":"IC9948.040","manufacturer":"United Engine Machine","brand":"United Engine Machine","brand_url":"/python/html6/menu_brand_products/1000/149000/menu_brand_products_UnitedEngineMachine_1_ddd21e3314.html","title":"Get the Best Performance with United Engine Machine Chevy 396/402ci FHR Forged Pistons Solid Dome .204\" IC9948.040 parts at JEGS. Shop Now at the Guaranteed Lowest Price!","description":"","attributes":[{"name":"Brand name","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/150000000/150342000/menu_attr_pair_Brandname_UnitedEngineMachine_1_8f7abf590f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/150000000/150342000/menu_attr_pair_Brandname_UnitedEngineMachine_1_8f7abf590f.html"},{"name":"Manufacturer name","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/246000000/246733000/menu_attr_pair_Manufacturername_UnitedEngineMachine_1_7c4c6369ad.html"}],"name_url":"/python/html6/menu_attr_pair/1000/246000000/246733000/menu_attr_pair_Manufacturername_UnitedEngineMachine_1_7c4c6369ad.html"},{"name":"Manufacturer","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/150000000/150552000/menu_attr_pair_Manufacturer_UnitedEngineMachine_1_476e7ce3fb.html"}],"name_url":"/python/html6/menu_attr_pair/1000/150000000/150552000/menu_attr_pair_Manufacturer_UnitedEngineMachine_1_476e7ce3fb.html"},{"name":"CategoryL1","values":[{"value":"Engines & Components","url":"/python/html6/menu_attr_pair/1000/227000000/227575000/menu_attr_pair_CategoryL1_EnginesComponents_1_74ccba2d79.html"}],"name_url":"/python/html6/menu_attr_pair/1000/227000000/227575000/menu_attr_pair_CategoryL1_EnginesComponents_1_74ccba2d79.html"},{"name":"CategoryL2","values":[{"value":"Piston","url":"/python/html6/menu_attr_pair/1000/189000000/189094000/menu_attr_pair_CategoryL2_Piston_1_96e5769d94.html"}],"name_url":"/python/html6/menu_attr_pair/1000/189000000/189094000/menu_attr_pair_CategoryL2_Piston_1_96e5769d94.html"},{"name":"CategoryL3","values":[{"value":"UEM Pistons Icon FHR Forged Series Big Block Chevy Pistons","url":"/python/html6/menu_attr_pair/1000/35000000/35983000/menu_attr_pair_CategoryL3_UEMPistonsIconFHRForgedSeriesBigBlockChevy_1_097225d959.html"}],"name_url":"/python/html6/menu_attr_pair/1000/35000000/35983000/menu_attr_pair_CategoryL3_UEMPistonsIconFHRForgedSeriesBigBlockChevy_1_097225d959.html"},{"name":"ShipDate","values":[{"value":"Estimated to ship direct from manufacturer","url":"/python/html6/menu_attr_pair/1000/125000000/125792000/menu_attr_pair_ShipDate_Estimatedtoshipdirectfrommanufacturer_1_5ae3efc2aa.html"}],"name_url":"/python/html6/menu_attr_pair/1000/125000000/125792000/menu_attr_pair_ShipDate_Estimatedtoshipdirectfrommanufacturer_1_5ae3efc2aa.html"},{"name":"jsonUrlData","values":[{"value":"2WuGw7nZMBIV","url":"/python/html6/menu_attr_pair/1000/237000000/237901000/menu_attr_pair_jsonUrlData_2WuGw7nZMBIV_1_cf34a8f43d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/237000000/237901000/menu_attr_pair_jsonUrlData_2WuGw7nZMBIV_1_cf34a8f43d.html"},{"name":"keywords","values":[{"value":"United Engine Machine IC9948.040: Chevy 396/402ci FHR Forged Pistons Solid Dome .204\" - JEGS","url":"/python/html6/menu_attr_pair/1000/96000000/96391000/menu_attr_pair_keywords_UnitedEngineMachineIC9948040Chevy396402ciF_1_e5ce1bfc96.html"}],"name_url":"/python/html6/menu_attr_pair/1000/96000000/96391000/menu_attr_pair_keywords_UnitedEngineMachineIC9948040Chevy396402ciF_1_e5ce1bfc96.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/247000000/247155000/menu_attr_pair_MPN_IC9948040_1_4614df6d7f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/247000000/247155000/menu_attr_pair_MPN_IC9948040_1_4614df6d7f.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"SKU","values":[{"value":"648-IC9948.040","url":"/python/html6/menu_attr_pair/1000/109000000/109876000/menu_attr_pair_SKU_648IC9948040_1_71b83c1b5a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/109000000/109876000/menu_attr_pair_SKU_648IC9948040_1_71b83c1b5a.html"},{"name":"snippet","values":[{"value":"Get the Best Performance with United Engine Machine Chevy 396/402ci FHR Forged Pistons Solid Dome .204\" IC9948.040 parts at JEGS. Shop Now at the Guaranteed Lowest Price!","url":"/python/html6/menu_attr_pair/1000/7000000/7737000/menu_attr_pair_snippet_GettheBestPerformancewithUnitedEngineMachi_1_593a9f590e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/7000000/7737000/menu_attr_pair_snippet_GettheBestPerformancewithUnitedEngineMachi_1_593a9f590e.html"},{"name":"tierMinQty1","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/226000000/226987000/menu_attr_pair_tierMinQty1_1_1_974840705d.html"},{"name":"tierPrice1","values":[{"value":"776.99","url":"/python/html6/menu_attr_pair/1000/83000000/83342000/menu_attr_pair_tierPrice1_77699_1_3eef8561b2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/83000000/83342000/menu_attr_pair_tierPrice1_77699_1_3eef8561b2.html"},{"name":"ASIN","values":[{"value":"B07HBB2NFH","url":"/python/html6/menu_attr_pair/1000/248000000/248898000/menu_attr_pair_ASIN_B07HBB2NFH_1_cdba5dc87a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/248000000/248898000/menu_attr_pair_ASIN_B07HBB2NFH_1_cdba5dc87a.html"},{"name":"AdultProduct","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/135000000/135074000/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/135000000/135074000/menu_attr_pair_AdultProduct_False_1_c6441ece7c.html"},{"name":"Asin","values":[{"value":"B07HBB2NFH","url":"/python/html6/menu_attr_pair/1000/248000000/248898000/menu_attr_pair_Asin_B07HBB2NFH_1_e59783fc1d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/248000000/248898000/menu_attr_pair_Asin_B07HBB2NFH_1_e59783fc1d.html"},{"name":"Autographed","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/11000000/11389000/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/11000000/11389000/menu_attr_pair_Autographed_False_1_3dfa18ce7d.html"},{"name":"Brand","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/658000/menu_attr_pair_Brand_UnitedEngineMachine_1_120df9df03.html"}],"name_url":"/python/html6/menu_attr_pair/1000/658000/menu_attr_pair_Brand_UnitedEngineMachine_1_120df9df03.html"},{"name":"Bullet_point","values":[{"value":"10.5:1/96.5cc; 9.6:1/105cc; 8.5:1/119cc Compression...","url":"/python/html6/menu_attr_pair/1000/148000000/148628000/menu_attr_pair_Bulletpoint_1051965cc961105cc851119ccCompression_1_f265c98dbd.html"},{"value":"4.165'' Bore (+.070'' 396; +.040''...","url":"/python/html6/menu_attr_pair/1000/54000000/54042000/menu_attr_pair_Bulletpoint_4165Bore070396040_1_e7e98a0257.html"},{"value":"8/pkg. Notes: For a 396ci engine (4.095\" std bore), this will be a .070 over bore. Compression ratio will be 10.5 on 96.5 head (Closed chamber head).Technical...","url":"/python/html6/menu_attr_pair/1000/73000000/73914000/menu_attr_pair_Bulletpoint_8pkgNotesFora396ciengine4095stdborethiswil_1_119e12a71f.html"},{"value":"Solid Dome...","url":"/python/html6/menu_attr_pair/1000/95000000/95134000/menu_attr_pair_Bulletpoint_SolidDome_1_b2244ccc8e.html"},{"value":"Use w/6.135'' Connecting Rod & 3.760'' Crank...","url":"/python/html6/menu_attr_pair/1000/54000000/54167000/menu_attr_pair_Bulletpoint_Usew6135ConnectingRod3760Crank_1_991877ca4c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/148000000/148628000/menu_attr_pair_Bulletpoint_1051965cc961105cc851119ccCompression_1_f265c98dbd.html"},{"name":"ClassificationId","values":[{"value":"15690151","url":"/python/html6/menu_attr_pair/1000/139000000/139717000/menu_attr_pair_ClassificationId_15690151_1_b67ba78640.html"}],"name_url":"/python/html6/menu_attr_pair/1000/139000000/139717000/menu_attr_pair_ClassificationId_15690151_1_b67ba78640.html"},{"name":"DisplayName","values":[{"value":"Categories","url":"/python/html6/menu_attr_pair/1000/162000000/162080000/menu_attr_pair_DisplayName_Categories_1_f0aa662226.html"}],"name_url":"/python/html6/menu_attr_pair/1000/162000000/162080000/menu_attr_pair_DisplayName_Categories_1_f0aa662226.html"},{"name":"Height","values":[{"value":"300","url":"/python/html6/menu_attr_pair/1000/50000000/50513000/menu_attr_pair_Height_300_1_ee88346c25.html"},{"value":"5.8","url":"/python/html6/menu_attr_pair/1000/208000000/208818000/menu_attr_pair_Height_58_1_a3037717bf.html"},{"value":"5.80","url":"/python/html6/menu_attr_pair/1000/199000000/199772000/menu_attr_pair_Height_580_1_7815343073.html"},{"value":"75","url":"/python/html6/menu_attr_pair/1000/263000000/263862000/menu_attr_pair_Height_75_1_a0092a3e31.html"}],"name_url":"/python/html6/menu_attr_pair/1000/50000000/50513000/menu_attr_pair_Height_300_1_ee88346c25.html"},{"name":"Identifier","values":[{"value":"0800745156006","url":"/python/html6/menu_attr_pair/1000/208000000/208776000/menu_attr_pair_Identifier_0800745156006_1_a9bb374007.html"},{"value":"800745156006","url":"/python/html6/menu_attr_pair/1000/96000000/96941000/menu_attr_pair_Identifier_800745156006_1_d21f7671e1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/208000000/208776000/menu_attr_pair_Identifier_0800745156006_1_a9bb374007.html"},{"name":"IdentifierType","values":[{"value":"EAN","url":"/python/html6/menu_attr_pair/1000/231000000/231760000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"},{"value":"UPC","url":"/python/html6/menu_attr_pair/1000/65000000/65206000/menu_attr_pair_IdentifierType_UPC_1_477407fdb7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/231000000/231760000/menu_attr_pair_IdentifierType_EAN_1_0a7a698752.html"},{"name":"IsBrandQuery","values":[{"value":"True","url":"/python/html6/menu_attr_pair/1000/49000000/49657000/menu_attr_pair_IsBrandQuery_True_1_3fd911c864.html"}],"name_url":"/python/html6/menu_attr_pair/1000/49000000/49657000/menu_attr_pair_IsBrandQuery_True_1_3fd911c864.html"},{"name":"ItemClassification","values":[{"value":"BASE_PRODUCT","url":"/python/html6/menu_attr_pair/1000/174000000/174108000/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/174000000/174108000/menu_attr_pair_ItemClassification_BASEPRODUCT_1_21c06575b2.html"},{"name":"ItemName","values":[{"value":"United Engine Machine IC9948.040 Chevy 396/402ci FHR Forged Pistons","url":"/python/html6/menu_attr_pair/1000/218000000/218300000/menu_attr_pair_ItemName_UnitedEngineMachineIC9948040Chevy396402ciF_1_446d0fc92c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/218000000/218300000/menu_attr_pair_ItemName_UnitedEngineMachineIC9948040Chevy396402ciF_1_446d0fc92c.html"},{"name":"Item_name","values":[{"value":"United Engine Machine IC9948.040 Chevy 396/402ci FHR Forged Pistons","url":"/python/html6/menu_attr_pair/1000/169000000/169377000/menu_attr_pair_Itemname_UnitedEngineMachineIC9948040Chevy396402ciF_1_b338e720ff.html"}],"name_url":"/python/html6/menu_attr_pair/1000/169000000/169377000/menu_attr_pair_Itemname_UnitedEngineMachineIC9948040Chevy396402ciF_1_b338e720ff.html"},{"name":"Item_package_weight","values":[{"value":"15.0","url":"/python/html6/menu_attr_pair/1000/262000000/262720000/menu_attr_pair_Itempackageweight_150_1_46dc307d94.html"}],"name_url":"/python/html6/menu_attr_pair/1000/262000000/262720000/menu_attr_pair_Itempackageweight_150_1_46dc307d94.html"},{"name":"Item_weight","values":[{"value":"15.0","url":"/python/html6/menu_attr_pair/1000/58000000/58417000/menu_attr_pair_Itemweight_150_1_1a0e6f345a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/58000000/58417000/menu_attr_pair_Itemweight_150_1_1a0e6f345a.html"},{"name":"Keyword","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/224000000/224744000/menu_attr_pair_Keyword_IC9948040_1_f7c2b28593.html"}],"name_url":"/python/html6/menu_attr_pair/1000/224000000/224744000/menu_attr_pair_Keyword_IC9948040_1_f7c2b28593.html"},{"name":"Label","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/249000000/249071000/menu_attr_pair_Label_UnitedEngineMachine_1_0ffe5dc490.html"}],"name_url":"/python/html6/menu_attr_pair/1000/249000000/249071000/menu_attr_pair_Label_UnitedEngineMachine_1_0ffe5dc490.html"},{"name":"Length","values":[{"value":"25.4","url":"/python/html6/menu_attr_pair/1000/172000000/172227000/menu_attr_pair_Length_254_1_deb5cab419.html"},{"value":"25.40","url":"/python/html6/menu_attr_pair/1000/97000000/97838000/menu_attr_pair_Length_2540_1_f7f1df61b6.html"}],"name_url":"/python/html6/menu_attr_pair/1000/172000000/172227000/menu_attr_pair_Length_254_1_deb5cab419.html"},{"name":"Link","values":[{"value":"https://m.media-amazon.com/images/I/31a7gJovUVL._SL75_.jpg","url":"/python/html6/menu_attr_pair/1000/187000000/187393000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI31a7gJovUVLSL75_1_a0d653ae81.html"},{"value":"https://m.media-amazon.com/images/I/31a7gJovUVL.jpg","url":"/python/html6/menu_attr_pair/1000/52000000/52904000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI31a7gJovUVLjpg_1_36adc1a688.html"}],"name_url":"/python/html6/menu_attr_pair/1000/187000000/187393000/menu_attr_pair_Link_httpsmmediaamazoncomimagesI31a7gJovUVLSL75_1_a0d653ae81.html"},{"name":"Memorabilia","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/184000000/184136000/menu_attr_pair_Memorabilia_False_1_903cccc9ba.html"}],"name_url":"/python/html6/menu_attr_pair/1000/184000000/184136000/menu_attr_pair_Memorabilia_False_1_903cccc9ba.html"},{"name":"Oem_equivalent_part_number","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/51000000/51601000/menu_attr_pair_Oemequivalentpartnumber_IC9948040_1_2ae8f45a10.html"}],"name_url":"/python/html6/menu_attr_pair/1000/51000000/51601000/menu_attr_pair_Oemequivalentpartnumber_IC9948040_1_2ae8f45a10.html"},{"name":"PackageQuantity","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"},{"name":"PartNumber","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/179000000/179808000/menu_attr_pair_PartNumber_IC9948040_1_0d50ef6305.html"}],"name_url":"/python/html6/menu_attr_pair/1000/179000000/179808000/menu_attr_pair_PartNumber_IC9948040_1_0d50ef6305.html"},{"name":"Part_number","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/253000000/253480000/menu_attr_pair_Partnumber_IC9948040_1_7a47afa74c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/253000000/253480000/menu_attr_pair_Partnumber_IC9948040_1_7a47afa74c.html"},{"name":"ProductGroup","values":[{"value":"Automotive Parts and Accessories","url":"/python/html6/menu_attr_pair/1000/124000000/124514000/menu_attr_pair_ProductGroup_AutomotivePartsandAccessories_1_de2b1bcf8b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/124000000/124514000/menu_attr_pair_ProductGroup_AutomotivePartsandAccessories_1_de2b1bcf8b.html"},{"name":"ProductType","values":[{"value":"AUTO_PART","url":"/python/html6/menu_attr_pair/1000/121000000/121489000/menu_attr_pair_ProductType_AUTOPART_1_63f31f2db2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/121000000/121489000/menu_attr_pair_ProductType_AUTOPART_1_63f31f2db2.html"},{"name":"ProductTypeName","values":[{"value":"AUTO_PART","url":"/python/html6/menu_attr_pair/1000/91000000/91690000/menu_attr_pair_ProductTypeName_AUTOPART_1_a53481cfce.html"}],"name_url":"/python/html6/menu_attr_pair/1000/91000000/91690000/menu_attr_pair_ProductTypeName_AUTOPART_1_a53481cfce.html"},{"name":"Product_description","values":[{"value":"Chevy 396/402ci FHR Forged PistonsSolid Dome .204''4.165'' Bore (+.070'' 396; +.040'' 402)Use w/6.135'' Connecting Rod & 3.760'' Crank Stroke10.5:1/96.5cc; 9.6:1/105cc; 8.5:1/119cc Compression Ratio8/pkg. Notes: For a 396ci engine (4.095\" std bore), this will be a .070 over bore. Compression ratio will be 10.5 on 96.5 head (Closed chamber head).Technical Specs:Alloy: Premium 4032 AlloyBore: 4.155''Crankshaft Stroke: 3.760''Connecting Rod Length: 6.135''Deck Height: 9.800''Compression Height: 1.765''Pin Size: 0.990'' x 2.750''Pin Location: CenteredSolid Dome Top: .204'' 17cc 1 Valve Relief (Closed Chamber Design)Intake Valve Relief: N/AExhaust Valve Relief: N/A Top Landing Height: 0.340''Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 674/141Compression Ratio: 10.5:1 w/96.5cc Heads; 9.6:1 w/105cc Heads; 8.5:1 w/119cc Heads","url":"/python/html6/menu_attr_pair/1000/168000000/168346000/menu_attr_pair_Productdescription_Chevy396402ciFHRForgedPistonsSolidDome2044_1_560f4edb38.html"}],"name_url":"/python/html6/menu_attr_pair/1000/168000000/168346000/menu_attr_pair_Productdescription_Chevy396402ciFHRForgedPistonsSolidDome2044_1_560f4edb38.html"},{"name":"Product_site_launch_date","values":[{"value":"2018-05-26T09:32:45.716Z","url":"/python/html6/menu_attr_pair/1000/103000000/103609000/menu_attr_pair_Productsitelaunchdate_20180526T093245716Z_1_070774dd36.html"}],"name_url":"/python/html6/menu_attr_pair/1000/103000000/103609000/menu_attr_pair_Productsitelaunchdate_20180526T093245716Z_1_070774dd36.html"},{"name":"Publisher","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/228000000/228310000/menu_attr_pair_Publisher_UnitedEngineMachine_1_5b6f17661c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/228000000/228310000/menu_attr_pair_Publisher_UnitedEngineMachine_1_5b6f17661c.html"},{"name":"Sku","values":[{"value":"IC9948.040","url":"/python/html6/menu_attr_pair/1000/176000000/176018000/menu_attr_pair_Sku_IC9948040_1_35234390b6.html"}],"name_url":"/python/html6/menu_attr_pair/1000/176000000/176018000/menu_attr_pair_Sku_IC9948040_1_35234390b6.html"},{"name":"Studio","values":[{"value":"United Engine Machine","url":"/python/html6/menu_attr_pair/1000/157000000/157160000/menu_attr_pair_Studio_UnitedEngineMachine_1_eec3126f6b.html"}],"name_url":"/python/html6/menu_attr_pair/1000/157000000/157160000/menu_attr_pair_Studio_UnitedEngineMachine_1_eec3126f6b.html"},{"name":"Title","values":[{"value":"United Engine Machine IC9948.040 Chevy 396/402ci FHR Forged Pistons","url":"/python/html6/menu_attr_pair/1000/32000000/32707000/menu_attr_pair_Title_UnitedEngineMachineIC9948040Chevy396402ciF_1_bd220b2d7a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/32000000/32707000/menu_attr_pair_Title_UnitedEngineMachineIC9948040Chevy396402ciF_1_bd220b2d7a.html"},{"name":"TradeInEligible","values":[{"value":"False","url":"/python/html6/menu_attr_pair/1000/5000000/5271000/menu_attr_pair_TradeInEligible_False_1_25846a63db.html"}],"name_url":"/python/html6/menu_attr_pair/1000/5000000/5271000/menu_attr_pair_TradeInEligible_False_1_25846a63db.html"},{"name":"Type","values":[{"value":"ean","url":"/python/html6/menu_attr_pair/1000/253000000/253381000/menu_attr_pair_Type_ean_1_ca8a058b84.html"},{"value":"upc","url":"/python/html6/menu_attr_pair/1000/25000000/25819000/menu_attr_pair_Type_upc_1_b8e0fca956.html"}],"name_url":"/python/html6/menu_attr_pair/1000/253000000/253381000/menu_attr_pair_Type_ean_1_ca8a058b84.html"},{"name":"URL","values":[{"value":"https://m.media-amazon.com/images/I/316JzvfrqSL._SL75_.jpg","url":"/python/html6/menu_attr_pair/1000/236000000/236947000/menu_attr_pair_URL_httpsmmediaamazoncomimagesI316JzvfrqSLSL75_1_a7e95ae63e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/236000000/236947000/menu_attr_pair_URL_httpsmmediaamazoncomimagesI316JzvfrqSLSL75_1_a7e95ae63e.html"},{"name":"Unit","values":[{"value":"inches","url":"/python/html6/menu_attr_pair/1000/45000000/45712000/menu_attr_pair_Unit_inches_1_c49b8ab96a.html"},{"value":"pounds","url":"/python/html6/menu_attr_pair/1000/148000000/148518000/menu_attr_pair_Unit_pounds_1_62a7fa2d77.html"}],"name_url":"/python/html6/menu_attr_pair/1000/45000000/45712000/menu_attr_pair_Unit_inches_1_c49b8ab96a.html"},{"name":"Units","values":[{"value":"inches","url":"/python/html6/menu_attr_pair/1000/34000000/34111000/menu_attr_pair_Units_inches_1_bdb0d4109a.html"},{"value":"pixels","url":"/python/html6/menu_attr_pair/1000/84000000/84801000/menu_attr_pair_Units_pixels_1_c7fe549e1d.html"},{"value":"pounds","url":"/python/html6/menu_attr_pair/1000/254000000/254184000/menu_attr_pair_Units_pounds_1_0ce017d356.html"}],"name_url":"/python/html6/menu_attr_pair/1000/34000000/34111000/menu_attr_pair_Units_inches_1_bdb0d4109a.html"},{"name":"Variant","values":[{"value":"MAIN","url":"/python/html6/menu_attr_pair/1000/40000000/40436000/menu_attr_pair_Variant_MAIN_1_b26e0d62c8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/40000000/40436000/menu_attr_pair_Variant_MAIN_1_b26e0d62c8.html"},{"name":"WebsiteDisplayGroup","values":[{"value":"automotive_display_on_website","url":"/python/html6/menu_attr_pair/1000/91000000/91621000/menu_attr_pair_WebsiteDisplayGroup_automotivedisplayonwebsite_1_83ef1fbef4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/91000000/91621000/menu_attr_pair_WebsiteDisplayGroup_automotivedisplayonwebsite_1_83ef1fbef4.html"},{"name":"WebsiteDisplayGroupName","values":[{"value":"Automotive Parts and Accessories","url":"/python/html6/menu_attr_pair/1000/53000000/53562000/menu_attr_pair_WebsiteDisplayGroupName_AutomotivePartsandAccessories_1_0f3a14947a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/53000000/53562000/menu_attr_pair_WebsiteDisplayGroupName_AutomotivePartsandAccessories_1_0f3a14947a.html"},{"name":"Weight","values":[{"value":"14.29","url":"/python/html6/menu_attr_pair/1000/144000000/144249000/menu_attr_pair_Weight_1429_1_3108d149cc.html"},{"value":"15.0","url":"/python/html6/menu_attr_pair/1000/42000000/42018000/menu_attr_pair_Weight_150_1_e16fd1604c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/144000000/144249000/menu_attr_pair_Weight_1429_1_3108d149cc.html"},{"name":"Width","values":[{"value":"11.2","url":"/python/html6/menu_attr_pair/1000/169000000/169768000/menu_attr_pair_Width_112_1_0ab66b2c7c.html"},{"value":"11.20","url":"/python/html6/menu_attr_pair/1000/19000000/19016000/menu_attr_pair_Width_1120_1_da885b12c5.html"},{"value":"300","url":"/python/html6/menu_attr_pair/1000/25000000/25653000/menu_attr_pair_Width_300_1_cd416b2f11.html"},{"value":"75","url":"/python/html6/menu_attr_pair/1000/211000000/211376000/menu_attr_pair_Width_75_1_1e3c47751f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/169000000/169768000/menu_attr_pair_Width_112_1_0ab66b2c7c.html"}],"images":[],"distributors":[{"name":"Jegs","sku":"648-IC9948.040","url":"https://www.jegs.com/i/United-Engine-Machine/648/IC9948.040/10002/-1","pricing":[{"quantity":1,"price_usd":776.99}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1}],"amazon":{"available":true,"products":[{"asin":"B07HBB2NFH","title":"United Engine Machine IC9948.040 Chevy 396/402ci FHR Forged Pistons","brand":"United Engine Machine","image":"https://m.media-amazon.com/images/I/316JzvfrqSL._SL75_.jpg","url":"https://www.amazon.com/dp/B07HBB2NFH?tag=atariguidz09-20","description":"Chevy 396/402ci FHR Forged PistonsSolid Dome .204''4.165'' Bore (+.070'' 396; +.040'' 402)Use w/6.135'' Connecting Rod & 3.760'' Crank Stroke10.5:1/96.5cc; 9.6:1/105cc; 8.5:1/119cc Compression Ratio8/pkg. Notes: For a 396ci engine (4.095\" std bore), this will be a .070 over bore. Compression ratio will be 10.5 on 96.5 head (Closed chamber head).Technical Specs:Alloy: Premium 4032 AlloyBore: 4.155''Crankshaft Stroke: 3.760''Connecting Rod Length: 6.135''Deck Height: 9.800''Compression Height: 1.765''Pin Size: 0.990'' x 2.750''Pin Location: CenteredSolid Dome Top: .204'' 17cc 1 Valve Relief (Closed Chamber Design)Intake Valve Relief: N/AExhaust Valve Relief: N/A Top Landing Height: 0.340''Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 674/141Compression Ratio: 10.5:1 w/96.5cc Heads; 9.6:1 w/105cc Heads; 8.5:1 w/119cc Heads","features":["Solid Dome...","4.165'' Bore (+.070'' 396; +.040''...","Use w/6.135'' Connecting Rod & 3.760'' Crank...","10.5:1/96.5cc; 9.6:1/105cc; 8.5:1/119cc Compression...","8/pkg. Notes: For a 396ci engine (4.095\" std bore), this will be a .070 over bore. Compression ratio will be 10.5 on 96.5 head (Closed chamber head).Technical..."]}]},"metadata":{"generated_date":"2026-09-17","last_updated":"2026-09-17","data_sources":["Jegs","Amazon"],"completeness":0.9,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}