Chevy LS1 5.7L with ECM and Wire Harness
This Part No. NO LONGER AVAILABLE
Get a complete LS1 engine assembly with electronics and wiring harness for easy installation. This crate engine package provides awesome small block LS power. GMP LS1 engine comes with composite intake manifold, single-bore throttle body, fuel rail with injectors, balancer, log-style exhaust manifolds, water pump and a 14" flexplate for auto. transmissions. The oil pan used is from the Camaro/Firebird. This is the perfect engine to add to an older car to get modern LS power!
Possible Applications
- Gen 4 Z28 Replacement
- High tech HP
- Add a fuel-injected LS Chevy.
*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See specific warranty information. Some applications may not be emission legal; check state and local ordinances.
| LS1 5.7L TECH SPECS: |
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| Part Number: | 25534322 |
| Engine type: | LS Series small-block V-8 |
| Displacement (cu in): | 346 (5.7L) |
| Bore x stroke (in): | 3.90 x 3.62 (99 x 92 mm) |
| Block (P/N 12561166): | Cast aluminum with 6-bolt, cross-bolted main caps |
| Crankshaft (P/N 89017522): | Nodular iron |
| Connecting rods (P/N 12568734): | Powdered metal steel |
| Pistons (P/N 88984245): | Hypereutectic aluminum |
| Camshaft type (P/N 12560965): | Hydraulic roller |
| Camshaft lift (in): | .500 intake / .500 exhaust |
| Camshaft duration (@.050 in): | 200'c1 intake / 203'c1 exhaust |
| Cylinder heads (P/N 12559855): | Aluminum, symmetrical port |
| Valve size (in): | 2.00 intake / 1.55 exhaust |
| Compression ratio: | 10.25:1 |
| Rocker arms (P/N 10214664): | Investment cast, roller trunnion |
| Rocker arm ratio: | 1.7:1 |
| Recommended fuel: | 92 octane |
| Maximum rpm: | 6000 |
| Reluctor wheel: | 24X |
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Part #:25534322*
Installation Notes
- Crate engine kit includes ECM (shown) and wire harness that allows the engine to be installed with a four-speed (4L60 or similar) automatic transmission in a pre-1977 vehicle.
- 14" automatic transmission flexplate included.
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