Rad Xtreme Marine Camshaft And Cylinder Head Drop In Ready Kit For Chevy Big Block BBC 454 427 402 396 Featuring Beast Class Valve Springs Lifters Swirl Polished Valves And Retainers.544 Lift
UPC:
High Performance Marine Cam And Head Drop In Kit
✔️ Complete BBC Chevy Hydraulic Cam Spring Retainer And Rocker Rod Assembly
This drop in ready engine rebuild package packs a marine grade hydraulic cam timing set along with stainless swirl polished valves, heavy duty coil springs, hardened steel retainers, shoulder rocker studs, seals, and guide plates. It is built to bolt straight onto big block Chevys for boats, ski rigs, economy cruising, and high rpm lake racing setups.
✅ Marine grade hydraulic cam profiles offer 226 and 236 duration degrees at point zero five zero lift across a healthy 1600 to 5800 rpm power band✅ Heavy duty valve train swaps include forty five degree swirl polished stainless valves sized two point two five inch intakes and one point eight eight inch exhausts
✅ Upgraded beast class coil springs run thirty eight zero pounds open pressure at point two inches and clear zero point six five inch max lift without binding
✅ Full drop in hardware bundles sixteen hydraulic lifters, ten degree chromoly retainers, solid steel locks, seven sixteenths inch rocker studs, plus seals and guides
💡 What makes a marine cam timing kit handy for boating builds compared to typical street performance setups?
Marine specific grinds prioritize top end oxygen over low speed torque to keep prop wash from choking your flow.
Clean airflow stays stable under heavy wave loads so your engine breathes freely when wide open.
Hardened valvetrain parts hold tight under high RPM vibration without losing clamping force.