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Forged Pro pistons for SB Chevy 400 Long Rod, 4.165 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-SBC40040L
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston and Ring Kit, Pro Tru Street, Forged Aluminum, Flat Top, 4.165 in. Bore, Chevy, Small Block, Kit
Part Number: WIS-PTS525A4
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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-RED0005X4
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 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: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 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: Tomorrow
Estimated Ship Date: Tomorrow
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8
Part Number: JEP-182032-8
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Set of 8
Part Number: JEP-182028-8
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston Set, 420 SBC K2-FX Series -16cc Dish Top Piston Set. 4.165 bore
Part Number: DMS-K2-2463-4165
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.165 in. Bore, Chevy Small Block, Set of 8
Part Number: HRS-841612306
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.165 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC763KTD-040
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Piston and Ring Kit, Forged, Step Dish, 4.165 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC851KTD-040
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Piston Set, 400 SBC 1-FX Series -5cc Flat Top Piston Set. 4.165 bore
Part Number: DMS-1-2400-4165
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Forged, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC756-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 3.875 in. Stroke, Flat Top, Chevy, Small Block, Set of 8
Part Number: UEM-IC966-040
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Piston Set, 434 SBC SX Series -16cc Dish Top Piston Set. 4.165 bore
Part Number: DMS-8183-4165
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Forged, Dish, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-147550S
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB350-040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB194-040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB128-040
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Piston, Brodix®, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Left, Each
Part Number: JEP-170768L
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, Brodix®, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Right, Each
Part Number: JEP-170768R
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Left, Each
Part Number: JEP-182032L
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
Piston, 23-Degree, Forged, Dome, 2-Valve Reliefs, 4.165 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Left, Each
Part Number: JEP-194952L
Not Yet Reviewed
Estimated Ship Date: Jan 22, 2026 if ordered today
Estimated Ship Date: Jan 22, 2026 if ordered today
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