Availability
Pistons
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Piston, 23 Degree, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 3.500 in. Stroke, 6.000 in. Rod, 1.250 in. Compression, Chevy, Right, Each
Part Number: JEP-182067R
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
BUILD IT WITH SUMMIT!
Forged Pro pistons for SB Chevy 400 Long Rod, 4.125 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-SBC400STDL
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Set, 400 SBC K1-FX Series -16cc Dish Top Piston Set. 4.125 bore
Part Number: DMS-K1-2403-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Dish, 4.125 in. Bore, Right Side, Stroked, Chevy, Small Block, Each
Part Number: WIS-60072RA125
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Piston Set, 400 SBC 1-FX Series -5cc Flat Top Piston Set. 4.125 bore
Part Number: DMS-1-2400-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, SB Chev, DM, 4.125"
Part Number: HRS-841200603R
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Professional Series, Forged Aluminum, Dish, 4.125 in. Bore, Left Side, Stroked, Chevy, Small Block, Each
Part Number: WIS-60072LA125
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Piston Set, 412C / Boss Stroker SBF 351C K3-FX Series -13cc Dish Top Boss/Canted Piston Set. 4.125 bore
Part Number: DMS-K3-3821-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Professional, 2618 Forged Aluminum, Dome, 4.125 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, Chevy, Small Block, 18 Degree Head, Set of 8
Part Number: WIS-K0031BS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged, 4.125 in. Bore, Chevy, Kit
Part Number: MLE-930211425
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
k2-2470-4125-434-small-block-chevy-k2-fx-series-5cc-flat-top-forged-piston-set-4-125-bore
Part Number: DMS-K2-2470-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston Set, 377 SBC K1-FX Series -13cc Dish Top Piston Set. 4.125 bore
Part Number: DMS-K1-2103-4125
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, Power Pak, 4.125 in. Bore, 3.750 in. Stroke, 6.00 in. Rod, +16.00cc Dish, Forged, Chevrolet, 400 CID, Kit
Part Number: MLE-930210925
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Piston and Ring Kit, Forged, Dome, 4.125 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-IC756KTD-STD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Set of 8
Part Number: JEP-295445
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Set, 434 SBC SX Series -16cc Dish Top Piston Set. 4.125 bore
Part Number: DMS-K8183-4125
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 -28cc Dish Top Piston Set. 4.125 bore
Part Number: DMS-K8136-4125
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 2-FX Series -21cc Dish Top Piston Set. 4.125 bore
Part Number: DMS-2-2405-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Forged, Flat, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC762-STD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pistons, AutoTec SBC, 4.125, 4, Flat Top 6, 0.927, SBC 23°4.125, Sold as a set of 8.
Part Number: PIS-1000197
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Piston Set, 434 SBC SX Series -5cc Flat Top Piston Set. 4.125 bore
Part Number: DMS-8180-4125
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB129-STD
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.125 in. Bore, 4.000 in. Stroke, 6.000 in. Rod, 1.000 in. Compression, Chevy, Left, Each
Part Number: JEP-301426L
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Each
Part Number: JEP-295445S
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.125 in. Bore, 3.750 in, Stroke, 6.000 in. Rod, 1.425 in. Compression, Chevy, Each
Part Number: JEP-231308S
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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