HOLE-SAWING PROCEDURE FOR VALVE SPRING SEATS

CHEVY SMALL BLOCK, 265 THROUGH 400

1970-73 LT-1, Z-28 and ANGLE PLUG CYLINDER HEADS
(Chevy Part No. 3965742)

THIS ASSEMBLY AND PROCEDURE IS NOW STANDARD ON ALL ISKY HYD. SOLID & ROLLER CAMS.

PARTS IN ASSEMBLY:	No. 507-ST	CHROME MOLY STEEL RETAINERS
	No. 6005, 6105	DUAL VALVE SPRINGS (HYD, HYD. ROLLER & SOLID)
	No. 507-STA	CHROME MOLY STEEL RETAINERS
	No. 6205	DUAL VALVE SPRINGS (MECH. ROLLER)