# Holley 20-187P Holley Mid-Mount Complete Accessory Systems | Summit Racing

**Manufacturer:** Holley  
**MPN:** `20-187P`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Holley |
| Manufacturer name | Holley |
| Manufacturer | Holley |
| Extra Product Name | Holley 20-187P Holley Mid-Mount Complete Accessory Systems \| Summit Racing |
| UPC | 090127053119 |
| moq | 1 |
| MPN | 20-187P |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | FieldMap |
| SKU | HLY-20-187P |
| tierMinQty1 | 1 |
| tierPrice1 | 2126.9900 |
| Brand | Holley |
| Manufacturer's Part Number | 20-187P |
| Part Type | Accessory Drive Systems |
| Product Line | Holley Mid-Mount Complete Accessory Systems |
| Summit Racing Part Number | HLY-20-187P |
| Pulley Style | Serpentine |
| Crankshaft Pulley Included | Yes |
| Crankshaft Pulley Material | Steel |
| Crankshaft Pulley Color | Black |
| Crankshaft Pulley Grooves | 6-groove, serpentine |
| Water Pump Material | Cast aluminum |
| Water Pump Color | Polished |
| Water Pump Rotation | Counterclockwise |
| Water Pump Pulley Included | Yes |
| Water Pump Pulley Material | Steel |
| Water Pump Pulley Color | Black |
| Water Pump Pulley Grooves | Non-ribbed |
| Power Steering Pump Reservoir Included | No |
| Power Steering Pulley Included | No |
| Power Steering Brackets Included | No |
| Alternator Material | Cast aluminum |
| Alternator Color | Polished |
| Alternator Amperage | 150 |
| Alternator Style | 1-wire |
| Alternator Pulley Included | Yes |
| Alternator Pulley Material | Steel |
| Alternator Pulley Color | Black |
| Alternator Pulley Grooves | 6-groove, serpentine |
| Alternator Fan Included | No |
| Alternator Brackets Included | Yes |
| Alternator Bracket Material | Aluminum |
| Alternator Bracket Color | Polished |
| Air Conditioning Pulley Included | No |
| Air Conditioning Bracket Included | No |
| Idler Included | No |
| Idler Brackets Included | No |
| Tensioner Included | Yes |
| Tensioner Style | Spring-loaded |
| Tensioner Pulley Color | Black |
| Tensioner Cover Included | No |
| Hardware Included | Yes |
| Belt Included | Yes |
| Coating Type | Painted |
| Quantity | Sold as a kit. |
| Notes | Fits all LS engines except with dry sump and/or supercharger. |
| ASIN | B07YCK8SZC |
| AdultProduct | False |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Summit Racing | HLY-20-187P | 2126.99 | 1 | None | 1 |
| Jegs | 510-20-187P | 2126.95 | 1 | None | 1 |
| vividracing.com | 152727554 | 2364.0 | 1 | None | 1 |
| automotivestuff.com | HOLLEY-20-187P | 1914.26 | 1 | None | 1 |
| throtl.com | 20-187P | 2890.0 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/39500000/39758500/part_--20187P---Holley--4483df98b0.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp