More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Beef up Your Bronco With These Deals - Shop Now!

2012 Engine Kits & Rotating Assemblies

Individual Parts

Results 226 - 250 of 393

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR409035

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod,12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243600512

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0192

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 10, 2025 if ordered today

Repair Kit, Top End, 85.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-4K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Repair Kit, Top End, 91.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22584B-2

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22803B

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23429CD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23127B

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23623B

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-062

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Husqvarna, KTM, Kit

Part Number: VPX-WR101-067

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-076

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-092

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-119

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-129

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.