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

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

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

1999 Engine Kits & Rotating Assemblies

Individual Parts
Part Groups

Results 301 - 324 of 324

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

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

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

TOP END REPAIR KIT

Part Number: NTI-NX-30080-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 1991-2001 RM80 - NX-30080K

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

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

TOP END REPAIR KIT

Part Number: NTI-NX-30080K

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 1990-2024 PW50 - NX-40005-2K

Namura Technologies Top-End Repair Kits for 1990-2024 PW50 - NX-40005-2K

Namura Technologies Top-End Repair Kits for 1990-2024 PW50 - NX-40005-2K

TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

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 1990-2024 PW50 - NX-40005-4K

Namura Technologies Top-End Repair Kits for 1990-2024 PW50 - NX-40005-4K

Namura Technologies Top-End Repair Kits for 1990-2024 PW50 - NX-40005-4K

TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

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 1986-1990 BW80, 1983-2006 PW80 - NX-40008-2K

Namura Technologies Top-End Repair Kits for 1986-1990 BW80, 1983-2006 PW80 - NX-40008-2K

Namura Technologies Top-End Repair Kits for 1986-1990 BW80, 1983-2006 PW80 - NX-40008-2K

Repair Kit, Top End, 47.500mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40008-2K

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 1993-2001 YZ80 - NX-40080K

Namura Technologies Top-End Repair Kits for 1993-2001 YZ80 - NX-40080K

Namura Technologies Top-End Repair Kits for 1993-2001 YZ80 - NX-40080K

Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

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 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 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 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 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

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 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-3K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-3K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-3K

Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

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 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-6K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-6K

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-6K

Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

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 1995-2003 TRX400FW FOREMAN 4X4 - NA-10001-1K

Namura Technologies Top-End Repair Kits for 1995-2003 TRX400FW FOREMAN 4X4 - NA-10001-1K

Namura Technologies Top-End Repair Kits for 1995-2003 TRX400FW FOREMAN 4X4 - NA-10001-1K

TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

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 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

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 2004-2016 CRF50F, 2000-2003 XR50R, 1979-1999 Z50R - NX-10051K

Namura Technologies Top-End Repair Kits for 2004-2016 CRF50F, 2000-2003 XR50R, 1979-1999 Z50R - NX-10051K

Namura Technologies Top-End Repair Kits for 2004-2016 CRF50F, 2000-2003 XR50R, 1979-1999 Z50R - NX-10051K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10051K

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 2004-2012 CRF70F, 1997-2003 XR70R - NX-10070-8K

Namura Technologies Top-End Repair Kits for 2004-2012 CRF70F, 1997-2003 XR70R - NX-10070-8K

Namura Technologies Top-End Repair Kits for 2004-2012 CRF70F, 1997-2003 XR70R - NX-10070-8K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10070-8K

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 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 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 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 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 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 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-BK

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-BK

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-BK

Repair Kit, Top End, 66.360mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-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 1992-2003 KX250 - NX-20025-CK

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-CK

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-CK

Repair Kit, Top End, 66.370mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-CK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - WR101-010

Vertex Complete Engine Rebuild Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - WR101-010

Vertex Complete Engine Rebuild Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - WR101-010

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-010

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1998-2001 KX250 - WR101-113

Vertex Complete Engine Rebuild Kits for 1998-2001 KX250 - WR101-113

Vertex Complete Engine Rebuild Kits for 1998-2001 KX250 - WR101-113

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Kawasaki, Kit

Part Number: VPX-WR101-113

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 12, 2026 if ordered today

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0687

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0687

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0687

S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 13, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1997-2001 CR250R - WR101-014

Vertex Complete Engine Rebuild Kits for 1997-2001 CR250R - WR101-014

Vertex Complete Engine Rebuild Kits for 1997-2001 CR250R - WR101-014

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-014

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