Availability
1978 Pistons
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Pistons, Forged Dome, 4.165 in. Bore, Chevy, Set of 8
Part Number: WIS-K0034B4
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
BUILD IT WITH SUMMIT!
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: Today
Estimated Ship Date: Today
Pistons, Red Series, Forged Aluminum, 4.165 Bore, -6.60cc Flat, 3.750 in. Stroke, 6.000 Rod, Chevy, Small Block, Set of 8
Part Number: WIS-RED0006X4
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Set of 8
Part Number: WIS-PTS510A4
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 3.400 in. Stroke, Dome, Ford, Small Block, Set of 8
Part Number: UEM-IC617-040
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Piston and Ring Kit, Forged, Dish, 4.165 in. Bore, Pontiac, V8, Kit
Part Number: UEM-IC938KTD-040
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Piston and Ring Kit, Forged, Flat, 4.165 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC755KTD-040
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.165 in. Bore, Chevy, Set of 8
Part Number: SLP-H400CP40
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Dish, 4.165 in. Bore, Chevy, Set of 8
Part Number: SLP-H615CP40
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.165 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-9911HCKTM040
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pistons, Forged, Flat, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Set of 8
Part Number: JEP-243038-8
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
k2-2468-4165-420-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-165-bore
Part Number: DMS-K2-2468-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, PowerPak Piston and Ring Kits, Stroked, 4.165 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8
Part Number: MLE-930201165
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston Set, 400 SBC SX Series -5cc Flat Top Piston Set. 4.165 bore
Part Number: DMS-K8120-4165
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
2-2468-4165-420-small-block-chevy-2-fx-series-4cc-dome-top-forged-piston-set-4-165-bore
Part Number: DMS-2-2468-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston Set, 363 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top inline Piston Set. 4.165 bore
Part Number: DMS-K3-3166-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Forged Dome, 4.165 in. Bore, Chevy, Set of 8
Part Number: WIS-K0033B4
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
k3-2478-4165-434-small-block-chevy-k3-fx-series-4cc-dome-top-forged-piston-set-4-165-bore
Part Number: DMS-K3-2478-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.800 in. Stroke, 6.000 in. Rod, 1.100 in. Compression, Chevy, Set of 8
Part Number: JEP-182052-8
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Piston and Ring Kit, Forged, 4.165 in. Bore, Chevy, Kit
Part Number: MLE-930208865
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.165 in. Bore, Chevy, Kit
Part Number: MLE-930208665
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
-4cc Flat Top SBF 20 Degree Inline Forged 2618
Part Number: DMS-3-3300-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
-22cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 2618
Part Number: DMS-K233104165C
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston Set, 400 SBC K2-FX Series -16cc Dish Top Piston Set. 4.165 bore
Part Number: DMS-K2-2303-4165
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
-13cc Dish Top SBC 23 Degree Forged 4032
Part Number: DMS-K1-2003-4165
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
-13cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 4032
Part Number: DMS-K132564165C
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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