Piston Set 440 step std hypereutectic

Kolbensatz für 440cui im Standartmaß

Achtung: Nicht für die Verwendung von ″ closed chamber″ Köpfen geeignet!

Pistons, Hypereutectic, Step, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block, Set of 8

Part Type: Pistons
Bore (in): 4.320 in.
Bore (mm): 109.728mm
Piston Style: Step head, with two valve reliefs
Piston Material: Hypereutectic aluminum
Compression Distance (in): 2.067 in.
Dome Height (in): 0.075 in.
Piston Head Volume (cc): +1.80cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 1.094 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
Notes: Quench dome design. Piston weight 775g, pin weight 190g.

Keith Black hypereutectic pistons are serious pistons that don't cost an arm and a leg.
Keith Black hypereutectic pistons are made from 390 alloy and heat-treated to T6 standards, which makes them 30 percent stronger than ordinary untreated hypereutectics. Their 100 percent CNC-machined crowns, high upper compression-ring location, gas-accumulator groove, drilled oil returns, and spiral-lock retainer grooves make these pistons outstanding for performance applications. On top of that, Keith Black's hypereutectic pistons have a lightweight, rigid-rib skirt design that stabilizes the piston in the bore. All of this adds up to pistons that fit tighter than forged types, provide improved oil control, reduce blowby, increase ring life, eliminate cold start-up knocking, and won't cost you an arm and a leg!

Compression Ratios

72-11.9
80-11.0
85-10.5
90-10.0