Product Description
Hydraulic Roller - Xtreme 4X4: Good top end. Needs headers, lower gears and 2500+ stall.; 280/284 Advertised Duration, 230/234 Duration .050", .474"/.474" Lift, 111 Lobe Separation; 1800 to 5800 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;User 1
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