$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
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

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

Engine Kits & Rotating Assemblies

Individual Parts
Part Groups

Results 76 - 100 of 117

Namura Technologies Top-End Repair Kits for 1996-1999 250 EGS, 250 EXC, 250 SX - NX-70047K

Namura Technologies Top-End Repair Kits for 1996-1999 250 EGS, 250 EXC, 250 SX - NX-70047K

Namura Technologies Top-End Repair Kits for 1996-1999 250 EGS, 250 EXC, 250 SX - NX-70047K

TOP END REPAIR KIT

Part Number: NTI-NX-70047K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-90000K

Namura Technologies Top-End Repair Kits NX-90000K

Namura Technologies Top-End Repair Kits NX-90000K

TOP END REPAIR KIT

Part Number: NTI-NX-90000K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2008-2019 OUTLAW 50, 2007 PREDATOR 50, 2017-2025 YFZ50 - NA-50015-2K

Namura Technologies Top-End Repair Kits for 2008-2019 OUTLAW 50, 2007 PREDATOR 50, 2017-2025 YFZ50 - NA-50015-2K

Namura Technologies Top-End Repair Kits for 2008-2019 OUTLAW 50, 2007 PREDATOR 50, 2017-2025 YFZ50 - NA-50015-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-2K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081-BK

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081-BK

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081-BK

TOP END REPAIR KIT

Part Number: NTI-NX-10081-BK

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081K

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081K

Namura Technologies Top-End Repair Kits for 2003-2007 CR85R, CR85RB EXPERT - NX-10081K

Repair Kit, Top End, 47.44mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2000 KX125 - NX-20000-CK

Namura Technologies Top-End Repair Kits for 1998-2000 KX125 - NX-20000-CK

Namura Technologies Top-End Repair Kits for 1998-2000 KX125 - NX-20000-CK

Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-CK

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2005 KX125 - NX-20001-BK

Namura Technologies Top-End Repair Kits for 2001-2005 KX125 - NX-20001-BK

Namura Technologies Top-End Repair Kits for 2001-2005 KX125 - NX-20001-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20001-BK

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010-BK

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010-BK

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010-BK

Repair Kit, Top End, 52.510mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20010-BK

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010K

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010K

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010K

Repair Kit, Top End, 52.500mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20010K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-2K

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-2K

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-2K

Repair Kit, Top End, 68.97mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-2K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1997-2001 TRX250TM FOURTRAX RECON - NA-10025K

Namura Technologies Top-End Repair Kits for 1997-2001 TRX250TM FOURTRAX RECON - NA-10025K

Namura Technologies Top-End Repair Kits for 1997-2001 TRX250TM FOURTRAX RECON - NA-10025K

TOP END REPAIR KIT

Part Number: NTI-NA-10025K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-2K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-4K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-4K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-4K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20000K

Namura Technologies Top-End Repair Kits NA-20000K

Namura Technologies Top-End Repair Kits NA-20000K

Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-4K

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-4K

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-4K

TOP END REPAIR KIT

Part Number: NTI-NA-20001-4K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-6K

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-6K

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-6K

TOP END REPAIR KIT

Part Number: NTI-NA-20001-6K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003-2K

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003-2K

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003-2K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003K

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003K

Namura Technologies Top-End Repair Kits for 2003-2011 KLF250 BAYOU - NA-20003K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20040-4K

Namura Technologies Top-End Repair Kits NA-20040-4K

Namura Technologies Top-End Repair Kits NA-20040-4K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-4K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20040-6K

Namura Technologies Top-End Repair Kits NA-20040-6K

Namura Technologies Top-End Repair Kits NA-20040-6K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-6K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20040K

Namura Technologies Top-End Repair Kits NA-20040K

Namura Technologies Top-End Repair Kits NA-20040K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 14, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09740

Sierra Marine Complete Engine Maintenance Kits 7-09740

Sierra Marine Complete Engine Maintenance Kits 7-09740

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 01-S, Kohler, Kit

Part Number: RRA-7-09740

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 21, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09741

Sierra Marine Complete Engine Maintenance Kits 7-09741

Sierra Marine Complete Engine Maintenance Kits 7-09741

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 02-S, Kohler, Kit

Part Number: RRA-7-09741

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 21, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09742

Sierra Marine Complete Engine Maintenance Kits 7-09742

Sierra Marine Complete Engine Maintenance Kits 7-09742

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 03-S, Kohler, Kit

Part Number: RRA-7-09742

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 21, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09746

Sierra Marine Complete Engine Maintenance Kits 7-09746

Sierra Marine Complete Engine Maintenance Kits 7-09746

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 16 789 02-S, Kohler, Kit

Part Number: RRA-7-09746

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 21, 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