Availability
1978 Pistons
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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
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
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: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Dish, 4.155 in. Bore, Wrist Pins and Pin Lock Rings, Chevy, Set of 8
Part Number: SLP-H615CP30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.155 in. Bore, Chevy, Kit
Part Number: MLE-930208655
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Set of 8
Part Number: UEM-9911HC-030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-9911HCKTM030
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Set of 8
Part Number: UEM-9907HC-030
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Set of 8
Part Number: SLP-H616CP30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.155 in. Bore, Ford, Kit
Part Number: MLE-930244855
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Piston Set, 400 SBC SX Series -5cc Flat Top Piston Set. 4.155 bore
Part Number: DMS-8120-4155
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 K1-FX Series -16cc Dish Top Piston Set. 4.155 bore
Part Number: DMS-K1-2303-4155
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB172KTM-030
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, Dome, 4.155 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC752KTD-030
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Piston Set, 400 SBC 1-FX Series -21cc Dish Top Piston Set. 4.155 bore
Part Number: DMS-1-2305-4155
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston Set, 434 SBC SX Series -16cc Dish Top Piston Set. 4.155 bore
Part Number: DMS-8183-4155
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.155 in. Bore, Chevy, Kit
Part Number: MLE-930211355
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Set of 8
Part Number: SLP-H400CP30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.155 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Right, Each
Part Number: JEP-182056R
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
-18cc Dish Top SBF 20 Degree Inline & Twisted Wedge Forged 2618
Part Number: DMS-K2-3308-4155
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 SX Series -16cc Dish Top Piston Set. 4.155 bore
Part Number: DMS-K8133-4155
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Pistons, AutoTec SBC, 4.155, 3.48, Flat Top 6, 0.927, SBC 23°4.125, Sold as a set of 8.
Part Number: PIS-1000184
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Piston Set, 400 SBC SX Series +4cc Dome Top Piston Set. 4.155 bore
Part Number: DMS-8127-4155
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 SX Series -16cc Dish Top Piston Set. 4.155 bore
Part Number: DMS-8133-4155
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Pro Tru Street, Forged Aluminum, Flat Top, 4.155 in. Bore, Rings, Chevrolet, 6.6L, Single Piston, Each
Part Number: WIS-5510A3
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
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