PROCOMP/HEADER BBC CHEVY PREMIUM ROLLER ROCKER ARMS 1.7 X 7/16 CYLINDER HEADS RECOMMENDATIONS:

CYLINDER HEADS RECOMMENDATIONS:

SS BLK MACHINE LIFTER BORES       MACHINE FOR SPECIAL LIFTER BORES

025                      4

BB-2 X               340 cc     119 cc    2

193 exhaust (Super Flow 1050)

PROCOMP/HEADER BBC CHEVY PREMIUM ROLLER ROCKER ARMS 1.7 X 7/16 CYLINDER HEADS RECOMMENDATIONS:CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. PC2305 PCE261. 1014 PM015 301939902988 This is a NEW set of big block CHEVY Roller Rocker Arms for the 366 396 402 427 & 454 CHEVY engines. These are Premium Series Roller Rocker Arms that are rated for 600 lbs open spring pressure. 1. 7 ratio for 7 16 studs. Made of high strength extruded aluminum with large sleeve bearing trunnions and chrome moly roller tips. Machined to clear most oversize & roller