Suit Holden 253 - 304 - 308

CO852-16

852-16

Patented orifice metering valve precisely meters oil to the rocker arms Continuous contact between metering valve and pushrod seat is maintained, eliminating excessive oiling at high end speeds Pushrod seat is made of a special powered metal iron alloy that is heat treated for strength and wear resistances Contain a longer piston than conventional hydraulic lifters, which provides more load bearing surface and increases lifter longevity Lightweight check valve disc allows for quicker response, which results in increases in engine speed before valve float Lightweight check valve disc maintains added control at all engine speeds and loads