Summit Racing™ Pro LS Forged Pistons SUM-3269454000-2

Brand: Summit Racing Manufacturer's Part Number: SUM-3269454000-2 Part Type: Pistons Product Line: Summit Racing™ Pro LS Forged Pistons Summit Racing Part Number: SUM-3269454000-2 UPC: 190861223189 Piston Rings Included: No Bore (in.): 4.000 in. Bore (mm): 101.600mm Stroke: 3.622 in. Rod Length: 6.098 in. Piston Style: Flat top, with two valve reliefs Piston Material: Forged aluminum Compression Height (in.): 1.326 in. Piston Head Volume (cc): +2.00cc Wrist Pin Style: Press-fit or floating Wrist Pin Retainers Included: Yes Wrist Pin Included: Yes Pin Diameter (in.): 0.945 in. Piston Ring Thickness: 1.20mm x 1.20mm x 3.00mm File Fit: No Gapless: No Quantity: Sold as a set of 8. Summit Racing™ Pro LS Forged Pistons The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. These pistons are forged from Premium 2618 alloy - the strongest made. They have specially profiled piston skirts, which allow them to run a tight piston-to wall-clearance for maximum ring seal and minimal friction. They have many other high-tech features too!• Maximum ring-land thickness for power-adders• Dedicated forgings for the best strength-to-weight ratio• Multiple compression ratios specifically targeted for 4.8L, 5.3L, 5.7L, and6.0L engines• Designed around Premium file fit rings with Gas-Nitride or Plasma steel topsand ductile Napier second rings• Available in versions for Gen. 3 Press-fit, Gen. 4 Floating, and Aftermarket6.125 rods• Standard and Stroker versions available• Generous valve reliefs that work with both Cathedral port AND Rectangleport heads• Pressure-fed pin-oiling• Pressure seal groove in 2nd ring land for increased seal.• High-Speed brush deburring to remove sharp edges that cause detonation• Ultra-Modern 2.250 pin forgings clear the reluctor rings with stroker cranks• Durable Chromium Steel wristpins.• Replacement Singles Available