Cadillac (331, 365) 1" Valve Cover Spacers ... GASKETLOK * Stud Kit not included with this spacer. Look in Stud Kits for your application specific Stud Kit. Buy Now

Cadillac (331, 365) 1/2" Valve Cover Spacers ... INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

Cadillac (331, 365) 3/8" Valve Cover Spacers ... INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

CADILLAC (390, 429) 1963-1967 1/2" VALVE COVER SPACERS ... WITH GASKETLOK FEATURE  INCLUDES STAINLESS STEEL BOLTS AND WASHERS.  1/2-Inch-Thick BILLET ALUMINUM SOLD IN SETS (TWO SPACERS) Buy Now

Cadillac (472, 500) 1" Valve Cover Spacers ... GASKETLOK * Stud Kit not included with this spacer. Look in Stud Kits for your application specific Stud Kit. Buy Now

Cadillac (472, 500) 1" Valve Cover Spacers With Evacuation / Oil Fill Port ... These Spacers are engineered with an additional port on the rear intake manifold side of the head on each side of the motor taped to take a 3/8 pipe fittings to be used for  Evacuation Port or as An Oil Fill Port. As Some of the New Cadillac valve covers do not  have a provision for this. GASKETLOK * Stud Kit not included with this spacer. Look in Stud Kits for your application specific Stud Kit.  (Fitting in photo not included) Buy Now

Cadillac (472, 500) 1/2" Valve Cover Spacers ... INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

Cadillac (472, 500) 3/8" Valve Cover Spacers ... INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

VALVE COVER ADAPTOR Big Block Chevrolet Valve Covers on Cadillac 472, 500 Heads ... Use Big Block Chevrolet Valve Covers on Cadillac 472, 500 Heads INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

VALVE COVER ADAPTOR Ford 460 Valve Covers on Cadillac 472, 500 Heads ... Use Ford 460 Valve Covers on Cadillac 472, 500 Heads INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now

VALVE COVER ADAPTOR Ford FE Valve Covers on Cadillac 472, 500 Heads ... Use Ford FE 390 406 427 428 Valve Covers on Cadillac 472, 500 Heads INCLUDES STAINLESS STEEL BOLTS AND WASHERS. GASKETLOK Buy Now