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) |
