High Energy Hydraulic Lifters Suit Holden 253 – 304 – 308

Description

• 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