Availability
Pistons
Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each
Part Number: UEM-SIC603-125
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Pistons, Premium, Forged 4032 Aluminum, 3.312 in. Bore, 4.250 in. Stroke, Dome, Ford, Flathead, Each
Part Number: UEM-SIC627-STD
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB398-070
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Pistons, Premium, Forged 4032 Aluminum, 3.375 in. Bore, 4.250 in. Stroke, Dome, Ford, Flathead, Each
Part Number: UEM-SIC627-063
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB284-030
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB224-040
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB397-STD
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB398-030
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB397-060
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
N/S MM BB FT 4.360B/4.250S/6.768R/1.815C
Part Number: DPP-52020
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Piston, Hypereutectic, Step Head, 4.186 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Oldsmobile, V8, Each
Part Number: UEM-SKB132-060
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Step Dish, 4.500 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB389-034
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.360 in. Bore, 4.250 in. Stroke, Flat Top, Left Side, Pontiac, Each
Part Number: UEM-SIC631L-010
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Step Head, 4.156 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Oldsmobile, V8, Each
Part Number: UEM-SKB132-030
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.360 in. Bore, 4.250 in. Stroke, Flat Top, Right Side, Pontiac, Each
Part Number: UEM-SIC631R-010
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB398-060
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB397-040
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
MM BB FT 4.375B/4.250S/6.768R/1.815CD N/
Part Number: DPP-52023
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each
Part Number: UEM-SIC993-125
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
MM BB FT 4.350B/4.250S/6.800R/1.780CD N/
Part Number: DPP-52027
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
MM BB FT 4.360B/4.250s/6.800R/1.780CD N/
Part Number: DPP-52028
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
MO BB DS 4.350B/4.250S/6.768R/1.815CD
Part Number: DPP-52425
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
MM BB FT 4.360B/4.250S/7.100R/1.480CD N/
Part Number: DPP-52031
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
*MO HEMI 4.500B/4.250S/7.100R/1.485CD N/
Part Number: DPP-52568
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
MM BB FT 4.380B/4.250S/6.768R/1.815CD N/
Part Number: DPP-52024
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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