KB HYPEREUTECTIC SERIES PISTONS - KB-404-080

The KB Series is cast from Hypereutectic 390 alloy with 16% Silicon heated to T-5 and is ideal for drag strip, circle track and street performance applications. Valve pockets and domes are fully machined and come with top land mini groves and second land accumulator grove. The pin bores are CNC machined to produce straight and accurately sized bores. These pistons also feature machined in oil returns and diamond finished skirts. The low expansion rate and heat reflective properties allow for a tight running clearances increasing HP. All KB Series pistons can be used with pressed fit or floating pin rods.

This piston pack does not include piston rings