Summit Racing™ Pro LS Forged Pistons

4.62 out of 5 stars 68 Customer Reviews

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 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, and 6.0L engines • Designed around Premium file fit rings with Gas-Nitride or Plasma steel tops and ductile Napier second rings • Available in versions for Gen. 3 Press-fit, Gen. 4 Floating, and Aftermarket 6.125 rods • Standard and Stroker versions available • Generous valve reliefs that work with both Cathedral port AND Rectangle port 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

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Summit Racing™ Pro LS Forged Pistons SUM-3269434075-2

Summit Racing™ Pro LS Forged Pistons SUM-3269434075-2

Pro LS 2618 Forged Piston, 4.075 bore, 1.326 C.H., 2cc Dome, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-3269434075-2

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Summit Racing™ Pro LS Forged Pistons SUM-1109274075-6

Pro LS 2618 Forged Piston, 4.075 bore, 1.110 C.H., 6cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-1109274075-6

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Summit Racing™ Pro LS Forged Pistons SUM-2999274075-2

Pro LS 2618 Forged Piston, 4.075 bore, 1.299 C.H., 2cc Dome, Std. Stroke, 6.125 .927 Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2L LS3 L92 LS9, Set of 8

Part Number: SUM-2999274075-2

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-326943407512

Pro LS 2618 Forged Piston, 4.075 bore, 1.326 C.H., 12cc Dish, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-326943407512

5.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Forged Pistons SUM-110927407521

Pro LS 2618 Forged Piston, 4.075 bore, 1.110 C.H., 21cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Cathedral/Rect., 6.2 LS3 L92 LS9, Set of 8

Part Number: SUM-110927407521

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