If you are running over 4,500 rpm and have a cam with large lobe lift, then these retainers are a must. Over 4,500 can only be run with our #110 springs
24 Valve Competition Springs 110LB seat pressure. Good to 6,500 RPM
A must when running your engine over 4500rpm
-we suggest steel cam and tappets to combat premature cam wear that is possible with...
Stock 24v springs have 78-82lbs of seat pressure at 1.380″. If you are over 35psi(boost or drive pressure), stock springs do not fully control the valvetrain. Intake and exhaust valves can be blow...
If you are over 500hp, the cylinder pressures acting on the valve can bend your OEM pushrods before the valve opens. This can retard cam timing and reduce valve lift
These pushrods are a 3 piece de...
- ARP Custom Age 625+ Material- 260,000 PSI Tensile Strength- Chrome-moly Steel, 12-Point Nuts- Parallel-Ground Washers Included- Sold as a kit- For Competition Use