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Pistons
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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 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
BUILD IT WITH SUMMIT!
Pro LST 2618 Anodized+Coated Forged Pistons, Cathedral/Rectangle Heads, 6.098 len./.945 pin Trapezoidal Rod, 4.040 Bore, 1.326 height, 8cc Dome
Part Number: SUM-3264040-8T
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pistons, Forged, Dome with Two Valve Reliefs, 4.040 in. Bore, Chevy, Small Block, Set of 8
Part Number: SLP-L2166AF40
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pistons, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Set of 8
Part Number: SLP-H618CP40
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC800KTD-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Small Block, Kit
Part Number: UEM-KB116KTM-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit
Part Number: MLE-930208140
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 4.040 in. Bore, Chevy LS, Set of 8
Part Number: DMS-K1-2942-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Forged Pro pistons for SB Chevy 302, 4.040 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-SBC302040
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pistons, Hypereutectic, Dome, 4.040 in. Bore, Ford, Set of 8
Part Number: UEM-KB365-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome with 2 Valve Reliefs, 4.040 in. Bore, w/Wrist Pins/Retainers, for 3.250 in. Stroke/5.700 in. Rods, Chevy, 327, Set of 8
Part Number: UEM-KB157-040
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
+6cc Dome Top SBF 20 Degree Inline Forged 4032
Part Number: DMS-K1-3516-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered 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: Dec 1, 2026 if ordered today
Estimated Ship Date: Dec 1, 2026 if ordered today
Pistons, SX-Series, Forged, Dome, 4.040 in. Bore, Chevy, Set of 8
Part Number: DMS-8107-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Small Block, Kit
Part Number: UEM-KB314KTM-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
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 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.040 in. Bore, Ford, Set of 8
Part Number: UEM-KB116-040
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
+6cc Dome Top SBF 20 Degree Inline Forged 2618
Part Number: DMS-K3-3516-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Piston Set, 351C /Boss SBF 351C K2-FX Series +7.5cc Dome Top Cleveland Open & Closed Chamber Piston Set. 4.040 bore
Part Number: DMS-K2-3925-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC977KTD040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
+6cc Dome Top SBF 20 Degree Inline Forged 4032
Part Number: DMS-K135164040D
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
k1-2008-4040-350-small-block-chevy-k1-fx-series-4cc-dome-top-forged-piston-set-4-040-bore
Part Number: DMS-K1-2008-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Ford, Small Block, Kit
Part Number: UEM-IC740KTD-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC794KTD-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston Set, 383 SBC SX Series +4cc Dome Top Piston Set. 4.040 bore
Part Number: DMS-K8137-4040
Not Yet Reviewed
Estimated Ship Date: Nov 11, 2026 if ordered today
Estimated Ship Date: Nov 11, 2026 if ordered today
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