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 COMP CAMS 12-422-8 SBC XTREME HYD. ROLLER CAM XR270HR-10
12-422-8 Click to enlarge

SBC XTREME HYD. ROLLER CAM XR270HR-10
COMP CAMS 12-422-8

 COMP CAMS 12-422-8



6 in Stock  $282.95

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COMP CAMS 12-422-8
Part Number12-422-8
Engine1955-1998 Chevrolet
262ci-400ci
8cyl.
Grind Number CS XR270HR-10
Description

IntakeExhaust
Valve Adjustment0 0
Gross Valve Lift0.495 0.502
Duration At 0.006 Tappet Lift270 276

Valve Timing At 0.006
OpenClose
Intake29 61
Exhaust72 24

These Specs Are For The Cam Installed At 106 Intake CL
IntakeExhaust
Duration At 0.05 218 224
Lobe Lift0.33 0.335
Lobe Separation110

Recommended Valve Springs986-16
HYDRAULIC ROLLER: High performance application. Largest with stock converter, noticeable idle.
Notes:

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