$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Filters

  • In Stock
  • Part Type
  • Brand
  • Make/Model
  • Make/Engine
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Part Type
  • Brand
  • Make/Model
  • Make/Engine
  • Filter Options
  • Savings Central

Engine Kits & Rotating Assemblies

Individual Parts
Part Groups

Results 1351 - 1375 of 1463

Namura Technologies Top-End Repair Kits NA-10042-4K

Namura Technologies Top-End Repair Kits NA-10042-4K

Namura Technologies Top-End Repair Kits NA-10042-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10042-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004K

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004K

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004K

Repair Kit, Top End, 88.95mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10004K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Powersports Piston and Ring Kits 185-F1045B2

Namura Powersports Piston and Ring Kits 185-F1045B2

Namura Powersports Piston and Ring Kits 185-F1045B2

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-10045-BK2

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10012K

Namura Technologies Top-End Repair Kits NA-10012K

Namura Technologies Top-End Repair Kits NA-10012K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Federal Mogul Engine Rebuild Kits 205129-00

Federal Mogul Engine Rebuild Kits 205129-00

Federal Mogul Engine Rebuild Kits 205129-00

RE-RING KIT ECO. RINGS

Part Number: FEM-205129-00

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Re-Ring Kits 205630-33

Federal Mogul Engine Re-Ring Kits 205630-33

Federal Mogul Engine Re-Ring Kits 205630-33

Engine Re-Ring, Moly, 4.030 in. Bore, .030 in. Rod, Chevy, 350, Kit

Part Number: FEM-205630-33

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Re-Ring Kits 205217-02

Federal Mogul Engine Re-Ring Kits 205217-02

Federal Mogul Engine Re-Ring Kits 205217-02

Engine Re-Ring, Cast, 3.910 in. Bore, .020 Rod, Dodge, 318, Kit

Part Number: FEM-205217-02

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Re-Ring Kits 205-630M-331

Federal Mogul Engine Re-Ring Kits 205-630M-331

Federal Mogul Engine Re-Ring Kits 205-630M-331

Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .030 in. Main, Chevy, Small Block, Kit

Part Number: FEM-205-630M-331

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Rebuild Kits 205-1275M622

Federal Mogul Engine Rebuild Kits 205-1275M622

Federal Mogul Engine Rebuild Kits 205-1275M622

RERING KIT

Part Number: FEM-205-1275M622

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Re-Ring Kits 205630M-332

Federal Mogul Engine Re-Ring Kits 205630M-332

Federal Mogul Engine Re-Ring Kits 205630M-332

Engine Re-Ring, Moly, 4.030 in. Bore, .030 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-205630M-332

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Federal Mogul Engine Rebuild Kits 205-6287M322

Federal Mogul Engine Rebuild Kits 205-6287M322

Federal Mogul Engine Rebuild Kits 205-6287M322

RERING KIT

Part Number: FEM-205-6287M322

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036K

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036K

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036K

TOP END REPAIR KIT

Part Number: NTI-NA-20036K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036-6K

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036-6K

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036-6K

TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2005 YFM660R RAPTOR - NA-40004-4K

Namura Technologies Top-End Repair Kits for 2001-2005 YFM660R RAPTOR - NA-40004-4K

Namura Technologies Top-End Repair Kits for 2001-2005 YFM660R RAPTOR - NA-40004-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40004-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012-BK

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012-BK

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012-BK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012K

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012K

Namura Technologies Top-End Repair Kits for 2013-2014 SCRAMBLER 850 XP HO EPS LE, SCRAMBLER 850 XP HO, 2015-2022 SCRAMBLER 850 - NA-50012K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2005 KX250F, 2004-2006 RMZ250 - NX-20030-BK

Namura Technologies Top-End Repair Kits for 2004-2005 KX250F, 2004-2006 RMZ250 - NX-20030-BK

Namura Technologies Top-End Repair Kits for 2004-2005 KX250F, 2004-2006 RMZ250 - NX-20030-BK

TOP END REPAIR KIT

Part Number: NTI-NX-20030-BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10008-4K

Namura Technologies Top-End Repair Kits NA-10008-4K

Namura Technologies Top-End Repair Kits NA-10008-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10008-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Kibblewhite Powersports Top End Engine Kits 40-41600

Kibblewhite Powersports Top End Engine Kits 40-41600

Kibblewhite Powersports Top End Engine Kits 40-41600

Racing Spring Kit, Titanium, 0.450" Lift, Kawasaki®, KX 250's, 2020-2023

Part Number: KPM-40-41600

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Kibblewhite Powersports Top End Engine Kits 30-33600

Kibblewhite Powersports Top End Engine Kits 30-33600

Kibblewhite Powersports Top End Engine Kits 30-33600

Racing Spring Kit, Titanium, 0.435" Lift, Honda®, CRF 250R/RX, 2018-2021

Part Number: KPM-30-33600

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70036K

Namura Technologies Top-End Repair Kits NX-70036K

Namura Technologies Top-End Repair Kits NX-70036K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-70036K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

MAHLE Original Engine Rebuild Kits RM187

MAHLE Original Engine Rebuild Kits RM187

MAHLE Original Engine Rebuild Kits RM187

REMAIN KIT

Part Number: MAH-RM187

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

MAHLE Original Engine Rebuild Kits RM188

MAHLE Original Engine Rebuild Kits RM188

MAHLE Original Engine Rebuild Kits RM188

REMAIN KIT

Part Number: MAH-RM188

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

MAHLE Original Engine Rebuild Kits RM189

MAHLE Original Engine Rebuild Kits RM189

MAHLE Original Engine Rebuild Kits RM189

REMAIN KIT

Part Number: MAH-RM189

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

MAHLE Original Engine Rebuild Kits RM192

MAHLE Original Engine Rebuild Kits RM192

MAHLE Original Engine Rebuild Kits RM192

REMAIN KIT

Part Number: MAH-RM192

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

Modal Header

Call To Order

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

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify