AMC 1" Valve Cover Spacers ... Set of Billet Aluminum AMC / Jeep  Valve Cover Spacers in 1" Thickness  With GASKETLOK Feature  Jeep / American Motors Corporation Engines (290, 304, 343, 360, 390, 401)  Includes stainless steel bolts and washers  Made in the U.S.A. from 100% U.S.A. Billet Aluminum ** WILL NOT WORK WITH STOCK ROCKER ARMS ** Buy Now

AMC 1" Valve Cover Spacers with Evacuation port *NEW ... These Spacers are engineered with a 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 Set of Billet Aluminum AMC / Jeep  Valve Cover Spacers in 1" Thickness  With GASKETLOK Feature  Jeep / American Motors Corporation Engines (290, 304, 343, 360, 390, 401)  Includes stainless steel bolts and washers  Made in the U.S.A. from 100% U.S.A. Billet Aluminum ** WILL NOT WORK WITH STOCK ROCKER ARMS ** Buy Now

AMC 1/2" Valve Cover Spacers ... Set of Billet Aluminum AMC / Jeep  Valve Cover Spacers in 1/2" Thickness  With GASKETLOK Feature  Jeep / American Motors Corporation Engines (290, 304, 343, 360, 390, 401)  Includes stainless steel bolts and washers  Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now

AMC 3/8" Valve Cover Spacer ... Set of Billet Aluminum AMC / Jeep  Valve Cover Spacers in 3/8" Thickness  With GASKETLOK Feature  Jeep / American Motors Corporation Engines (290, 304, 343, 360, 390, 401)  Includes stainless steel bolts and washers  Made in the U.S.A. from 100% U.S.A. Billet Aluminum Buy Now