1 results for chevy 6 cylinder engine heads found in 0.000 seconds

systemaxtm engine components systemaxtm engine components 301-33 part cylinder head ... kit ford 5.0l holley systemax ii cylinder heads kit contains the necessary ... that connects to the back side of the heads also includes air passage plugs ... whenever installing holley systemax ii heads 301-33 gasket systemax ii upper and ... lower manifolds 108-80 head bolt sets chevy small block engines ford 5.0l engines ... 1986-93 7/16 size bolts 351 w engines 1/2 size bolts 301-35 301-31 301-36 ... upper and lower manifolds on a 5.0l h.o engine note this kit is not required for ... kit made of 4130 chromoly 5/16 dia x 6.40 236 www.holley.com ...