Availability
Pistons
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Pro LS 2618 Forged Piston, 3.898 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-3269453898-3
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273898-3
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Forged Pro pistons for 302 Windsor, 4.030 bore, 1.605 C.H., 3 in. stroke, 5.090 in. rod, 3cc dome 10.7@58cc, 10.4@60cc, 9.9@64cc, 9.7:1@ 66cc.
Part Number: SUM-SBF302030D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB312-040
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pro LS 2618 Forged Piston, 3.903 bore, 1.299 C.H., 3cc mini dome, Std. Stroke, 6.125 Full-float Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8
Part Number: SUM-2999273903-3
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Professional, 2618 Forged Aluminum, Dome, 4.125 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, Chevy, Small Block, 18 Degree Head, Set of 8
Part Number: WIS-K0031BS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.060 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-232511-8
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, 18 Degree, Forged, Dome, 2 Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Set of 8
Part Number: JEP-181965-8
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Forged Pro pistons for 302 Windsor, 4.040 bore, 1.605 C.H., 3 in. stroke, 5.090 in. rod, 3cc dome 10.7@58cc, 10.4@60cc, 9.9@64cc, 9.7:1@ 66cc.
Part Number: SUM-SBF302040D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S453898-3
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, SB Chev, DM, 4.125"
Part Number: HRS-841200603R
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S273903-3
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Professional Series, Forged Aluminum, Dome, 4.185 in. Bore, Stroked, Designed for 18 degree Cylinder Heads, Chevrolet, 5.7L, 6.6L, Each
Part Number: WIS-60029LB6
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dome, 4.185 in. Bore, Stroked, Right Side, Chevy, Small Block, Each
Part Number: WIS-60029RB6
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB312-060
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston, 14-Degree Pro Action®/Pro Topline®, Forged, Dome, 2-Valve Reliefs, 4.135 in. Bore, 3.800 Stroke, 6.000 in. Rod. Chevy, Left, Each
Part Number: JEP-194955L
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-232510-8
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, 14-Degree Pro Action®/Pro Topline®, Forged, Dome, 2-Valve Reliefs, 4.135 in. Bore, 3.800 Stroke, 6.000 in. Rod. Chevy, Set of 8
Part Number: JEP-194955-8
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Right, Each
Part Number: JEP-312110R
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each
Part Number: JEP-312110L
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Right Side, Chevy, Small Block, Each
Part Number: WIS-60029RB4
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Left Side, Chevy, Small Block, Each
Part Number: WIS-60030LB4
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dome, 4.165 in. Bore, Stroked, Left Side, Chevy, Small Block, Each
Part Number: WIS-60029LB4
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dome, 4.145 in. Bore, Stroked, Left Side, Chevy, Small Block, Each
Part Number: WIS-60029LB2
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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