Pistons - 3.750 in. Stroke - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Wiseco Pro Tru Street Pistons PTS531A3

Wiseco Pro Tru Street Pistons PTS531A3

Pistons, Pro Tru, Forged, Flat Top, 4.350 in. Bore, Mopar, 440, Set of 8

Part Number: WIS-PTS531A3

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Forged Pro Pistons SUM-SBC400030L

Forged Pro pistons for SB Chevy 400 Long Rod, 4.155 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC400030L

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

D.S.S. E Series Forged Pistons 8715-4030

Pistons, E-Series, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Wiseco Pro Tru Street Pistons PTS504A3

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS504A3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H860CP40

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP40

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Coated Forged SBC 350 Pistons SUM-17365FC-30

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-30

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

KB Performance Hyper Piston and Ring Kits KB237KTM.030

Piston and Ring Kit, Hypereutectic, Flat, 4.350 in. Bore, Chrysler, Kit

Part Number: UEM-KB237KTM030

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H860CP30

Pistons, Hypereutectic, Flat, 4.030 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP30

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

D.S.S. E Series Forged Pistons 8710-4030

Pistons, Forged, Flat, 4.030 in. Bore, 383 Chevy, Set of 8

Part Number: DMS-8710-4030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Wiseco Pro Tru Street Pistons PTS510A4

Pistons, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Set of 8

Part Number: WIS-PTS510A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H615CP30

Pistons, Hypereutectic, Dish, 4.155 in. Bore, Wrist Pins and Pin Lock Rings, Chevy, Set of 8

Part Number: SLP-H615CP30

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Forged Pro Pistons SUM-SBC400030

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: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Forged Pistons L2262F30

Pistons, Forged, Flat, 4.150 in. Bore, Pontiac, Set of 8

Part Number: SLP-L2262F30

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H860CP60

Pistons, Hypereutectic, Flat, 4.060 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP60

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Forged Pro Pistons SUM-SBC40040

Forged Pro pistons for SB Chevy 400, 4.165 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-SBC40040

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

D.S.S. E Series Forged Pistons 8710-4060

Pistons, Forged, Flat, 4.060 in. Bore, 383 Chevy, Set of 8

Part Number: DMS-8710-4060

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Wiseco Pro Tru Street Pistons PTS525A3

Pistons, Pro Tru Street Pistons, 4.155 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 6.6L, Kit

Part Number: WIS-PTS525A3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

D.S.S. E Series Forged Pistons 8715-4060

Pistons, E-Series, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4060

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

ICON FHR Series Pistons IC9953.040

Pistons, Forged, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-IC9953-040

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Forged Pro Pistons SUM-SBC400STDL

Forged Pro pistons for SB Chevy 400 Long Rod, 4.125 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC400STDL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Forged Pistons L2355F30

Piston, Forged, Flat, 4.350 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Set of 8

Part Number: SLP-L2355F30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H860CP20

Pistons, Hypereutectic, Flat, 4.020 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Forged Pistons L2355F40

Piston, Forged, Flat, 4.360 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Set of 8

Part Number: SLP-L2355F40

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

KB Performance Claimer Pistons 9906HC.030

Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-9906HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025

Speed-Pro Hypereutectic Pistons H859CP30

Pistons, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Set of 8

Part Number: SLP-H859CP30

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

...Loading

Estimated Ship Date: Tuesday 9/2/2025