Sealed Power Performance Piston Rings - 4.040 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder LGLF Wilson Manifolds CNC porting employs

Wilson Manifolds CNC porting employs the same technology used in our fully ported intakes to improve the most critical areas of the intake manifold for out of the box performance

1979-1984 GMC G3500

Ford Fullsize Truck 1986-2004

(2)-8 an O-ring outlets

but will require final sizing and a valve job to match the valves you will be using

Sealed Power Performance Piston Rings - 4.040 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder LGLF Wilson Manifolds CNC porting employsProduct Description: Piston Rings Performance 4. 040 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 8 Cylinder Sealed Power engine products are application engineered components, including pistons, piston rings, engine bearings, oil pumps and lifters. These proven replacement parts are the result of product development efforts, dedicated to putting only the absolute best on the street. Our engineers design and validate the