Pistons - 4.040 in. Bore (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Pistons KB193.040

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB193-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Claimer Pistons 9905HC.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9905HC-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. SX-Series Forged Pistons 8110-4040

D.S.S. SX-Series Forged Pistons 8110-4040

Pistons, SX-Series, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8110-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

D.S.S. E Series Forged Piston and Ring Kits K8717-4040

Piston Set, 383 SBC E Series -18cc Dish Top Piston Set. 4.040 bore

Part Number: DMS-K8717-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons 3166HC.040

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-3166HC-040

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB356KTM.040

Piston and Ring Kit, Hypereutectic, Step Head, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB319KTM.040

Piston and Ring Seit, Hypereutectic, Dish, Two Valve Reliefs, 4.040 in. Bore, for 5.956 in. Connecting Rod, +27.50 cc Volume, Ford, 351W, Kit

Part Number: UEM-KB319KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. E Series Forged Pistons 8795-4040

Piston Set, 6.0 / LS2 / L98 / LQ9 Stroker LS E Series -5cc LS Flat Top Piston Set. 4.040 bore

Part Number: DMS-8795-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB355KTM.040

Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB355KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB164KTD.040

Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB164KTD-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. E Series Forged Pistons 8723-4040

Piston, E Series, Forged, Dish Top, 4.040 in. Bore, Ford, Set of 8

Part Number: DMS-8723-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

KB Performance Hyper Piston and Ring Kits KB134KTM.040

Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB134KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB312.040

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: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits K2-6480-4040

Piston Set, 506 Viper/SRT K2-FX Series -0cc No Valve Relief Flat Top Piston Set. 4.040 bore

Part Number: DMS-K2-6480-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

KB Performance Pistons KB156.040

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

Part Number: UEM-KB156-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB320.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB320-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Silv-O-Lite Cast Pistons 1470.04

Pistons, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1470-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB151.040

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB151-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB123.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB123-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Silv-O-Lite Hypereutectic Pistons 1171HC.040

Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1171HC-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Pistons KB122.040

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

Part Number: UEM-KB122-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Claimer Pistons 9903HC.040

Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9903HC-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

KB Performance Claimer Piston and Ring Kits 9905HCKTM.040

Piston and Ring Kit, Claimer, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9905HCKTM040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Summit Racing™ Pro LS Forged Pistons SUM-110S274040-8

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-110S274040-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3366-4040

Piston Set, 408W /5.8 Stroker SBF 351W K3-FX Series +6cc Dome Top inline Piston Set. 4.040 bore

Part Number: DMS-K3-3366-4040

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today