Product Description: ATK Engines; High Performance Crate Engine; HP42C; Stage 3 Complete GM Dart Big M Big Block V8 540/660+HP/650+TQ
Specifications:
- HP: 660+
- Torque: 650+
- Engine type: Dart Big "M" Block V8
- Displacement: 540 ci
- Block: Dart 9.8" deck height
- Crankshaft: Scat 4340 forged steel
- Bore/Stroke: 4.500 x 4.250
- Rods: Scat H-beam
- Pistons: Forged
- Rings: Moly
- Camshaft type: HYD roller
- Camshaft lift: Custom
- Camshaft duration @ .50: custom
- Cylinder heads: Dart Pro Series 1
- Chamber size: 121 cc
- Valve size: 2.25 intake x 1.88 exhaust
- Intake runner volume: 325 cc
- Compression ratio: 10.1:1
- Rocker arms: 1.7:1 full roller
- Induction: Performance manifold/carbureted
- Recommended fuel: 92 octane
- Ignition timing: 36 degrees total advance
- Max RPM: 5,800
- Dyno proven: Yes
Notes:
- Not for use in pollution controlled vehicles. Computer controlled vehicles may need updated chips or other modifications.
- Special order, must be prepaid. Non-returnable. Non-refundable.
- Shipped anywhere in the Continental United States for $175.00.
- 2 Year / Unlimited Mileage Warranty.
For more information, follow the link: ATK Engines; High Performance Crate Engine; HP42C; Stage 3 Complete GM Dart Big M Big Block V8 540/660+HP/650+TQ