Availability
Engine Rotating Assemblies & Rebuild Kits
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244007021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR400706
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BOTTOM END KIT Polaris
Part Number: HRI-HR00110
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit
Part Number: SES-3483002000
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 350, Kit
Part Number: SES-3480002000
Not Yet Reviewed
Cannot be shipped Internationally
Cannot be shipped Internationally
HD IN-FRAME KIT
Part Number: CLE-4595532STD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
HD IN-FRAME KIT
Part Number: CLE-4595515STD
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
ProX Engine Kit Plrs. RZR800 '08-10
Part Number: PXR-10-EK5806-A
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
ProX Engine Kit Plrs. RZR 800 '11-14
Part Number: PXR-10-EK5805-B1
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
ProX Engine Kit Plrs. Sptsmn800HO '08-09
Part Number: PXR-10-EK5805-A
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
HD IN-FRAME KIT
Part Number: CLE-4595523STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pro LS 4340 Piston and Rod Kit, 415 Cid., 4.065 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR400656
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit
Part Number: ESP-B11012060
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR368102
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR36L9037
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR4007021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-B15455E060
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400756
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings
Part Number: SUM-R2436L03012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR369033
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400058
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR407805
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Big Bore Kit, 107 in., Drop-In, 3.937 in. Bore, Wrinkle Black Cylinders with Highlighted Fins, Harley-Davidson®, Kit
Part Number: SSY-910-0500
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons with Pins, Spiro-Locks, I-Beam Rods, Chevy, Small Block Gen I, Kit
Part Number: ESP-B15404E030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR3604012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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