Description
DEF Racing Stage 3 Valve Train Package: Unleash your engine’s potential with this powerhouse kit, featuring a custom camshaft, oversized +1mm high flow valves, and a premium Kibblewhite valve spring kit. Perfectly paired, the cam and oversized valves deliver unmatched mid-range and top-end power. Dominate the vintage class competition with this ultimate racing solution designed for maximum power output!
- Camshaft core is included; no core return required nor accepted
Product Features:
- Camshaft: Upgrades the cam to a needle roller bearing on the journal where it rests in the head. Hard-welded from a new OEM Honda core and precisely ground on a CNC machine.
- Cam Specifications:
- Exhaust: Max Lift .430″, Duration @.040″ 273°
- Intake: Max Lift .433″, Duration @.040″ 274°
- Cam Specifications:
- Steel Exhaust Valve: Increased diameter to 26mm (+1.0 mm larger)
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- Valve Stem Size: OEM size of 5.5mm, ensuring compatibility
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- Steel Intake Valve: Increased diameter to 31mm (+1.0 mm larger)
- Valve Stem Size: OEM size of 5.5mm, ensuring compatibility
- Material: Made in the USA from high-quality steel for strength and longevity
- Compatibility: Engineered to work with standard seats and guides; seats must be machined 1mm larger to fit the oversized valves.
- Use modified piston and racing valve springs!
- Due to the large cam lift the engine builder will need to manually machine or grind clearance into the cylinder head to clear the cam lobes.
- Durability: Built to handle the demands of competitive racing
For best results, pair this valve train package with a properly ported head to unlock its full potential.
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