KB Hypereutectic SB Chevy Flat Top Piston Set - 4.030" Bore - 3.750" Stroke - 6.000" Rod Length 815005 3 AN Straight Inlet

3 AN Straight Inlet

This inner portion of the valve stem is often damaged or leaking

this high flow "oiled" conical performance filter provide maximum protection with highest cumulative filtration efficiency for severe duty environments

Type of Component: Valve Cover

KB Hypereutectic SB Chevy Flat Top Piston Set - 4.030" Bore - 3.750" Stroke - 6.000" Rod Length 815005 3 AN Straight InletModern piston design locates the top ring higher for improved performance. a high top ring operates at higher temperatures and requires a larger top ring end gap. To find the proper ring end gap, multiply your bore size by the ring end gap factor listed on the chart (i. e. , Street Normally Aspirated 4. 000" bore x . 0065" gap factor = . 026" total top ring end gap). Your hypereutectic performance piston will expand less than typical cast or forged