Availability
Piston and Ring Kit, Forged, 4.040 in. Bore, Ford, Kit
Part Number: MLE-930244740
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pistons, Cast, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Small Block, Set of 8
Part Number: UEM-1273-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Forged Pro pistons 347 stroker Windsor, 4.040 bore, 1.090 C.H., 3.4 in. stroke, 5.400 rod, 5cc flat top Inline and Twisted Wedge, 10.5@60cc, 10:1@64cc
Part Number: SUM-SBF347040
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Forged Pro pistons for 383 Stroker Chevy, 4.040 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.
Part Number: SUM-SBC383040
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 2618 Forged Piston, 4.040 bore, 1.326 C.H., 2cc Flat, Std. Stroke, .945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LQ4 LQ9
Part Number: SUM-3269454040-2
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pistons, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB193-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Pistons, Forged, Flat, 4.040 in. Bore, Ford, Lincoln, Mercury, Set of 8
Part Number: SLP-L2482F40
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pistons, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-9910HC-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Step Dish, 4.040 in. Bore, Mopar, Small Block, Kit
Part Number: UEM-KB362KTM-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB302KTM-040
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB289-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB106KTM-040
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Piston and Ring Kit, Powerpack Plus, Gas Ported, Dome, Forged Aluminum, 4.040 in. Bore, 3.500 in. Stroke, Chevy, Set of 8
Part Number: MLE-197754140
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8
Part Number: SUM-17303C-40
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pistons, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Set of 8
Part Number: UEM-1160-040
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-3437HC-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Pistons, PowerPak Plus Piston and Ring Kits, 4.040 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8
Part Number: MLE-930202640
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Piston and Ring Kit, Forged, 4.040 in. Bore, Chevy, Kit
Part Number: MLE-930206640
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Pistons, SX-Series, Forged, Dish, 4.040 in. Bore, Ford, Set of 8
Part Number: DMS-8763-4040
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Pistons, Forged, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC802-040
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Piston and Ring Kit, Claimer, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-9908HCKTM040
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Set of 8
Part Number: UEM-KB303-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
1 Set IC9971.040/1 Set 4000BD8.045
Part Number: UEM-IC9971KTD040
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each
Part Number: JEP-140349S
Not Yet Reviewed
Estimated Ship Date: Jan 20, 2026 if ordered today
Estimated Ship Date: Jan 20, 2026 if ordered today
Pistons, Forged, Flat, 4.040 in. Bore, Chevy, 327, Set of 8
Part Number: UEM-IC792-040
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.