Peterson Fluid Systems SB Chevy .250" Intake Manifold End Rail Spacer Kit 21411406 3/8-16 and 3/8-24 in Thread

3/8-16 and 3/8-24 in Thread

45 mm Valve Stem

When using Edelbrock carburetors

90 Degree Plug

hanger kits (sold separately)

Peterson Fluid Systems SB Chevy .250" Intake Manifold End Rail Spacer Kit 21411406 3/8-16 and 3/8-24 in ThreadFill the gap between the manifold and the lifter valley end rails when using rased port cylider heads on small block Chevy engines. Sold in pairs, includes four 3 16" roll pins for retention. Drilling of the block is required for installation. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling systems. Peterson Fluid Systems offers a complete system from their class leading oil pumps to their championship winning oil tanks,