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Hole Saw 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)