$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 826 - 850 of 1463

MAHLE Original Engine Rebuild Kits RM252

MAHLE Original Engine Rebuild Kits RM252

MAHLE Original Engine Rebuild Kits RM252

REMAIN KIT

Part Number: MAH-RM252

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 RM253

MAHLE Original Engine Rebuild Kits RM253

MAHLE Original Engine Rebuild Kits RM253

REMAIN KIT

Part Number: MAH-RM253

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 RM2546

MAHLE Original Engine Rebuild Kits RM2546

MAHLE Original Engine Rebuild Kits RM2546

REMAIN KIT STANDARD

Part Number: MAH-RM2546

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 RM256

MAHLE Original Engine Rebuild Kits RM256

MAHLE Original Engine Rebuild Kits RM256

REMAIN KIT

Part Number: MAH-RM256

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 RM258

MAHLE Original Engine Rebuild Kits RM258

MAHLE Original Engine Rebuild Kits RM258

REMAIN KIT

Part Number: MAH-RM258

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 RM262

MAHLE Original Engine Rebuild Kits RM262

MAHLE Original Engine Rebuild Kits RM262

REMAIN KIT

Part Number: MAH-RM262

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 RM2623

MAHLE Original Engine Rebuild Kits RM2623

MAHLE Original Engine Rebuild Kits RM2623

REMAIN KIT STANDARD

Part Number: MAH-RM2623

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 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

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 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

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

Kibblewhite Powersports Top End Engine Kits 82-85000

Kibblewhite Powersports Top End Engine Kits 82-85000

Kibblewhite Powersports Top End Engine Kits 82-85000

Racing Spring Kit, HT Steel, 0.520" Lift, Indian®, Challengers (All), 2020-2023

Part Number: KPM-82-85000

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 82-86000

Kibblewhite Powersports Top End Engine Kits 82-86000

Kibblewhite Powersports Top End Engine Kits 82-86000

Racing Spring Kit, Titanium, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86000

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 82-86010

Kibblewhite Powersports Top End Engine Kits 82-86010

Kibblewhite Powersports Top End Engine Kits 82-86010

Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86010

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Namura Powersports Piston and Ring Kits 185-F1035

Namura Powersports Piston and Ring Kits 185-F1035

Namura Powersports Piston and Ring Kits 185-F1035

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

Part Number: NTI-FX-10035K

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

BBR Motorsports Powersports Top End Engine Kits 411-HCF-1151

BBR Motorsports Powersports Top End Engine Kits 411-HCF-1151

BBR Motorsports Powersports Top End Engine Kits 411-HCF-1151

BIG BORE KIT CRF110

Part Number: BRM-411-HCF-1151

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10008-4K1

Namura Technologies Top-End Repair Kits NA-10008-4K1

Namura Technologies Top-End Repair Kits NA-10008-4K1

Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2004 CR250R - NX-10027K

Namura Technologies Top-End Repair Kits for 2002-2004 CR250R - NX-10027K

Namura Technologies Top-End Repair Kits for 2002-2004 CR250R - NX-10027K

Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10027K

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 13, 2026 if ordered today

Namura Powersports Piston and Ring Kits 185-F4045

Namura Powersports Piston and Ring Kits 185-F4045

Namura Powersports Piston and Ring Kits 185-F4045

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

Part Number: NTI-FX-40045K

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 13, 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