(1955 to 1958) Small Block Chevrolet Stagger-Bolt Valve Cover Spacers 1/2" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

(1959 to 1986) Small Block Chevrolet Perimeter Bolt Valve Cover Spacers 1" with Evacuation 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 SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

(1959 to 1986) Small Block Chevrolet Perimeter Bolt Valve Cover Spacers 1" ... SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

(1959 to 1986) Small Block Chevrolet Perimeter Bolt Valve Cover Spacers 1/2" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

(1959 to 1986) Small Block Chevrolet Perimeter Bolt Valve Cover Spacers 3/8" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

(1987 to 2000) Small Block Chevrolet Center Bolt Vortec Valve Cover Spacers 1/2" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

8.1 / 8100 Generation (2001-2006) Valve Cover Spacers 1" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

8.1 / 8100 Generation (2001-2006) Valve Cover Spacers 1/2" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

8.1 / 8100 Generation (2001-2006) Valve Cover Spacers 3/8" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Big Block Chevrolet (7 Bolt) Valve Cover Spacers 1" with Evacuation Ports ... 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 SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

Big Block Chevrolet (7 Bolt) Valve Cover Spacers 1" ... SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

Big Block Chevrolet (7 Bolt) Valve Cover Spacers 1/2" ... (396, 402, 427, 454) Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Big Block Chevrolet (7 Bolt) Valve Cover Spacers 3/8" ... (396, 402, 427, 454) Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Chevrolet 409-348 Valve Cover Spacer 1" With Evacuation Ports ... 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 SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

Chevrolet 409-348 Valve Cover Spacers 1" ... SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum * Stud Kit not included with 1" spacers - look in Stud Kits for your specific application. Buy Now

Chevrolet 409-348 Valve Cover Spacers 1/2" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Chevrolet 409-348 Valve Cover Spacers 3/8" ... Includes stainless steel bolts and washers  SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Chevrolet LS Valve Cover Spacer 1" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Chevrolet LS Valve Cover Spacers 1" with Evacuation Ports ... These Spacers are engineered with an additional port on the 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 SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum *** Bolts not included with this spacer*** Buy Now

Chevrolet LS Valve Cover Spacers 1/2" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

Chevrolet LS Valve Cover Spacers 3/8" ... *** Bolts not included with this spacer*** SOLD IN SETS (Two Spacers) Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now