Description
Hydraulic Roller – Xtreme Fuel Injection (XFI): Good torque with exceptional mid-range power for 305 and 350 TPI applications. Needs upgraded exhaust and custom tuning.; 268/276 Advertised Duration, 218/224 Duration .050″, .570″/.565″ Lift, 113 Lobe Separation; 1800 to 5800 RPM range; Recommended use with 1.6 rocker arm ratio; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump
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