Peterson Fluid Systems Manifold End Rail Spacers - .125" Thick w/ Roll Pins YA0825MM25 For Big Block Chevy with

For Big Block Chevy with enlarged lifter bores

reduced spark energy losses caused by long spark plug wires

In the middle is a heavy duty high temp insulation material

Uses factory boltholes and hardware

quick order turn around and better order fill

Peterson Fluid Systems Manifold End Rail Spacers - .125" Thick w/ Roll Pins YA0825MM25 For Big Block Chevy withPeterson's End Rail Spacers fill the gap between the manifold and lifter valley end rail when using raised port heads. Available in various thicknesses they are suplied as a kit consisting of a spacer for the water pump and distributor end and (4) 3 16" roll pins to secure them to the block. Requires drilling the block for installation. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling systems. Peterson Fluid Systems offers