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Description:
ATK LS Crate Engine Kit, Chevy LH6 5.3L, 475HP/435TQ made by Speedway Motors, for as low as $6,299.99.
Attributes
| Key ^ | Value |
|---|---|
| Assembled, Spark Plugs Included, Valve Covers Included, Water Pump Included | No |
| Bore x Stroke (in) | 3.780" x 3.622" |
| Camshaft Duration (.050 in) | 223? intake / 231? exhaust |
| Camshaft Included, Computer Included, Cylinder Heads Included, Exhaust Valves Included, Flexplate Included, Head Gaskets Included, Intake Manifold Included, Intake Valves Included, Internally Balanced, Locks Included, Oil Pan Included, Valve Spring Included | Yes |
| Compression Ratio | 9.9:1 |
| Crate Engine Type | Deluxe Crate Engine |
| Cylinder Head Material, Intake Material | Aluminum |
| Engine Displacement | 323 cu. in. |
| Horsepower | 475 horsepower |
| MFG. Part # | 9101986 |
| Rocker Arm Ratio | 1.7:1 |
| Spark Plug Style | Stock |
| Torque | 430 ft./lbs. |