4 Piston Racing K20C1 Crate Engine *Stage 1* maintains the driving and tuning characteristics of the OEM Honda engine, but addresses the weak piston and rod combination. Built to 4P specifications for improved strength and durability. This will make power similar to a stock engine, however can handle much more boost and rpm due to the strengthened components. See our Stage 2, 3, and 4 engines for improvements in efficiency and horsepower production.
- 85.9mm Stroke x 86mm Bore
- OEM Cylinder Sleeve Block
- 4P Lightweight Forged I-Beam Connecting Rod
- 4P Wiseco Forged 10:1 Piston
- ACL Race Bearings
- Stock Cylinder Head Port and Stock Cams
- Newen CNC Race Spec Valve Job
- Ferrea Competition Plus Valves
- Ferrea Valve Springs, Titanium Retainers, Spring Seats, and Valve Locks
- High Temp Viton Valve Seals
- 4P Oil System
- Balanced and Blueprinted