Engines & Engine Parts at Summit Racing

Namura Technologies Top-End Repair Kits NA-10042-2K

Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20075K

Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 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-30001-4K

Repair Kit, Top End, 69.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-4K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30002-BK

Repair Kit, Top End, 89.97mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002-BK

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30010-2K

Repair Kit, Top End, 82.46mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-2K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40006K

Repair Kit, Top End, 83.000mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40010K

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-1999 CR125R - NX-10000-CK

Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1997-2001 CR250R - NX-10025K

Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080K1

Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2002 KX125 - NX-20001K

Repair Kit, Top End, 54.500mm Bore, 9.00 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20001K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2003 KX250 - NX-20025K

Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003-2K

Repair Kit, Top End, 85.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-2K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2008 TRX300EX SPORTRAX, 2009 TRX300X - NA-10005K

Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10007-1K

Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-1K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3082-1

Scorpion Endurance Series Rocker Arms SCP3082-1

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.5 Ratio, Ford, Each

Part Number: SCC-SCP3082-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3102-1

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.7 Ratio, AMC, Each

Part Number: SCC-SCP3102-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3081-1

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.7 Ratio, Olds, Each

Part Number: SCC-SCP3081-1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

COMP Cams Magnum Roller Tip Rocker Arms 1452-16

Rocker Arms, Stud Mount, Roller Tip, Steel, 1.65 Ratio, Fits 7/16 in. Stud, Pontiac, Set

Part Number: CCA-1452-16

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

COMP Cams Pro Magnum Roller Rocker Arms 1632-8

Rocker Arms, 7/16 in.Stud Mount, Full Roller, Chromoly Steel, 1.6 Ratio, Ford, Small Block, Set of 8

Part Number: CCA-1632-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Crower Enduro Stainless Steel Stud Mount Roller Rocker Arms 73605-1

Rocker Arm, Stud Mount, Full Roller, Stainless Steel, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, Big Block, Each

Part Number: CRO-73605-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Proform Stamped Steel Rocker Arms 66923C

Rocker Arms and Pushrods, Stud Mount, Steel, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Kit

Part Number: PRO-66923C

2.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Summit Racing™ Pro SBC 4-7 Swap Camshafts SUM-1206

Pro SBC Stage 7 Hyd. Flat-Tappet 4/7 Firing Order Swap Cam, 248/256 Dur., 108 LSA + 2 Adv, .518/.525 1.5 Ratio, .553/.560 1.6 Ratio, 3000-7000 Range

Part Number: SUM-1206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

COMP Cams Magnum Roller Tip Rocker Arms 1412-8

Rocker Arms, Stud Mount, Roller Tip, Steel, 1.52 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 8

Part Number: CCA-1412-8

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today