Engines & Components | Summit Racing

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1982-1987 Z50R, 1986 Z50RD - 4828M03950

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1982-1987 Z50R, 1986 Z50RD - 4828M03950

Piston and Ring Kits, Powersports 4-Stroke Forged Series Piston Kits, 39.500mm Bore, Forged Aluminum, Rings, for use on Honda®, Kit

Part Number: WIS-4828M03950

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

SRP Professional Series 4032 Alloy Forged Pistons 309948S

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.480 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Each

Part Number: JEP-309948S

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits 4875M05350

Piston and Ring Kit, Forged Aluminum, 53.500mm Bore, Kawasaki, Suzuki, Kit

Part Number: WIS-4875M05350

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits 4394M06500

Piston and Ring Kits, Powersports 4-Stroke Forged Series, 2.559 in. Bore, Forged Aluminum, Rings, for use on Honda®, Kit

Part Number: WIS-4394M06500

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Estimated Ship Date: Today

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Estimated Ship Date: Today

SRP 4032 Alloy Forged Pistons 231591S

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.250 in. Rod, 1.230 in. Compression, Ford, Each

Part Number: JEP-231591S

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

ICON Premium Forged Pistons SIC970L.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.750 in. Stroke, Dome, Left Side, Chevy, Small Block, Each

Part Number: UEM-SIC970L-040

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Call to Order

Summit Racing™ Pro LS Forged Pistons SUM-299S274040-2

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-299S274040-2

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 2019 CRF450L, CRF450X - 40239M09600

Piston and Ring Kits, Powersports 4-Stroke Forged Series, 3.780 in. Bore, Forged Aluminum, Rings, for use on Honda®, Kit

Part Number: WIS-40239M09600

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

SRP Professional Series 4032 Alloy Forged Pistons 324864S

Piston, Forged, Flat Top, 4-Valve Reliefs, 4.005 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each

Part Number: JEP-324864S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SRP Professional Series 2618 Alloy Forged Pistons 271055S

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Each

Part Number: JEP-271055S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SRP 4032 Alloy Forged Pistons 139506S

Piston, Forged, Flat Top, Single Valve Relief, 4.280 in. Bore, 4.250 in. Stroke, 6.135 in. Rod, 1.520 in. Compression, Chevy, Each

Part Number: JEP-139506S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SRP 4032 Alloy Forged Pistons 139625S

Piston, Forged, Dish, 2-Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 5.700 in. Rod, 1.425 in. Compression, Chevy, Each

Part Number: JEP-139625S

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SRP 4032 Alloy Forged Pistons 140055S

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.060 in. Bore, 3.562 in. Stroke, 5.700 in. Rod, 1.519 in. Compression, Chevy, Each

Part Number: JEP-140055S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SRP 4032 Alloy Forged Pistons 206045S

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 6.000 in. Rod, 1.440 in. Compression, Ford, Each

Part Number: JEP-206045S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons SRP 2618 Alloy Forged Pistons 140675S

Piston, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each

Part Number: JEP-140675S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

JE Pistons SRP 2618 Alloy Forged Pistons 140674S

Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.480 in. Stroke, 5.700 in. Rod, 1.560 in. Compression, Chevy, Each

Part Number: JEP-140674S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-326S43810-2F

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-326S43810-2F

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

JE Pistons SRP 2618 Alloy Forged Pistons 140686S

Piston, Forged, Dome, Single Valve Relief, 4.320 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in, Compression, Chevy, Each

Part Number: JEP-140686S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

EMPI Forged Rocker Arm Assemblies 21-2162-0

Rocker Arm Assemblies, Shaft Mount, Forged Chromoly, 1.25 Ratio, Volkswagen, Pair

Part Number: VWP-21-2162-0

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Pro LS Forged Pistons SUM-299S27400512

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-299S27400512

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Pro LS Forged Pistons SUM-326S45810-7P

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-326S45810-7P

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

JE Pistons SRP 2618 Alloy Forged Pistons 147752S

Piston, Forged, Dome, 2-Valve Reliefs, 4.030 in. Bore, 3.250 in. Stroke, 5.700 in. Rod, 1.675 in. Compression, Chevy, Each

Part Number: JEP-147752S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-299S274065-2

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-299S274065-2

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Pro LS Forged Pistons SUM-299S274070-2

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-299S274070-2

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

SRP 4032 Alloy Forged Pistons 212144S

Piston, Forged, Dome, Single Valve Relief, 4.320 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Each

Part Number: JEP-212144S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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