Availability
Summit Racing Pistons & Piston Rings
Pro LS 2618 Forged Piston, 4.080 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-2999274080-2
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Each
Part Number: SUM-17351C-00-1
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pistons, Forged Aluminum, Flat, 4.030 in. Bore, 1.115 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8
Part Number: SUM-17406C-30
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro LS 2618 Forged Pistons. 3.810 bore, 1.326 C.H., 7cc dish, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-326943810-7F
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Gas Nitride Steel Top, Ductile second, Std. Tension oil, File Fit for 4.087 in. bore 1.2mm, 1.2mm, 3.0mm, Set
Part Number: SUM-136SN9045087
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro LS 2618 Forged Piston, 3.785 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous,Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-1109273785-5
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP453016
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for SB Chevy 302, 4.030 bore, 1.800 C.H., 3 in. stroke, 5.7 in. rod, 5cc dome 11:1@58cc, 10.2:1@64cc, 9.8:1@67cc, 9.3:1@72cc.
Part Number: SUM-SBC302030
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro LS 2618 Forged Piston, 3.903 bore, 1.326 C.H., 3cc mini dome, Std. Stroke, Gen. 3 Press-fit Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-3269453903-3
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Plasma-Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-134-CM553100
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP412564
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.065 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set
Part Number: SUM-GP406525
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Wrist Pins, H-13 Tool Steel, 0.927 in. Diameter, 2.250 in. Length, 0.215 in. Wall Thickness, 135 grams, Each
Part Number: SUM-S719
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Cast Iron, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-683-60
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for SB Chevy 327, 4.040 bore, 1.671 C.H., 3.25 in. stroke, 5.7 in. rod, 0cc net vol. dome. 11:1@58cc, 10.2@64cc, 9.8@67cc, 9.3@72cc
Part Number: SUM-SBC327040
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro LS 2618 Forged Piston, 4.070 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-326943407012
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.000 in. Bore, File Fit, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set
Part Number: SUM-GP400064
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Cast Iron, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-661-30
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro GPX Gas Ported, 4.090 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set
Part Number: SUM-GP409010
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro GPX 86.5mm/3.406 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,
Part Number: SUM-GP8650XX
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pro LS 2618 Forged Pistons. 3.785 bore, 1.326 C.H., 2cc dome, Std. Stroke, .Gen.4 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Set of 8
Part Number: SUM-326943785-2F
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Forged Pro pistons for SB Chevy 400, 4.155 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.
Part Number: SUM-SBC400030
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Pistons, Forged, Flat, 4.000 in. Bore, Chevy, Set of 8
Part Number: SUM-17360FC-00
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Cast Iron, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-683-40
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Piston Rings, Pro HEMI, 4.095 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set
Part Number: SUM-409512
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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