Engine Rotating Assemblies & Rebuild Kits

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR400408

Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400408

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hot Rods Complete Bottom End Rebuild Kits for 2007-2015 250 SX, 2007 250 SXS - CBK0006

Rebuild Kit, Complete Bottom End, KTM, Kit

Part Number: HRI-CBK0006

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 2002-2016 YZ85 - CBK0076

Rebuild Kit, Complete Bottom End, Yamaha, YZ85, Kit

Part Number: HRI-CBK0076

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0700

S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver

Part Number: SSY-910-0700

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

S&S Cycle 107 in. Big Bore Kits 910-0500

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: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR4003020

Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4003020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR3604012

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: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR400706

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: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR4007521

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4007521

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR407805

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: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L07512

Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L07512

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L0802

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR368202

Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR368202

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Pro LS Crank and Rod Kits SUM-CR3624125

Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR3624125

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Namura Technologies Top-End Repair Kits for 2004-2007 TRX400FA FOURTRAX RANCHER AT, TRX400FGA FOURTRAX RANCHER AT GPSCAPE - NA-10040-2K

Repair Kit, Top End, 85.47mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040-2K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3480002000

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

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Cannot be shipped Internationally

Namura Technologies Top-End Repair Kits for 1991-2001 RM80 - NX-30080-2K

TOP END REPAIR KIT

Part Number: NTI-NX-30080-2K

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 1992-2001 CR250R - CBK0040

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0040

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

S&S Cycle 4 in. Sidewinder Big Bore Kits 910-0651

Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0651

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3484000050

Engine Kit, Crank, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 357, Kit

Part Number: SES-3484000050

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3483006000

Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483006000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3486000000

Engine Kit, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 360, Kit

Part Number: SES-3486000000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3480111000

Engine Kit, Dish-Top Piston/Moly Ring, Rod/Main Bearings, Gaskets, Oil Pump, Timing Set, Chevy, 350, Kit

Part Number: SES-3480111000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3483114000

Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483114000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Namura Technologies Top-End Repair Kits for 1993-2005 TRX90 SPORTRAX - NA-10090-2K

TOP END REPAIR KIT

Part Number: NTI-NA-10090-2K

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today