Engines & Engine Parts at Summit Racing

Namura Technologies Top-End Repair Kits for 1981-2021 PW50 - NX-40005K

Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

COMP Cams Ultra Pro Magnum XD Roller Rocker Arms 1826-16

COMP Cams Ultra Pro Magnum XD Roller Rocker Arms 1826-16

Rocker Arms, Fits 7/16 in. Stud, Full Roller, Steel, 1.6 Ratio, Chevy, Big Block, Set of 16

Part Number: CCA-1826-16

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams Ultra Gold ARC Series Aluminum Break-In Rocker Arms 19012-16

Rocker Arms, Ultra Gold Break-In, Full Roller, 1.3 Ratio, Aluminum, 7/16 in. Stud Size, Chevy, Set of 16

Part Number: CCA-19012-16

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits for 1996-2003 XL1200C SPORTSTER 1200 CUSTOM, XL1200S SPORTSTER 1200 SPORT, 1986-1987 XLH1100 - KB295.STD

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit

Part Number: UEM-KB295-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K

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 2006-2007 OUTLAW 500, 2003-2007 PREDATOR 500 - NA-50005K

Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50005K

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

Howards Cams LS Series Direct Bolt-On Roller Rockers 90096

Rocker Arms, Pedestal, Full Roller, 1.8 Ratio, Aluminum, Chevy, LS3 and L92, Set of 16

Part Number: HRS-90096

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Howards Cams LS Series Direct Bolt-On Roller Rockers 90098

Rocker Arm, Direct Bolt-On, Full Roller, 1.8 Ratio, Aluminum, Purple, Chevy, LS1, LS2, LS6, Set of 16

Part Number: HRS-90098

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams Ultra Gold ARC Series Aluminum Rocker Arms 19017-16

Rocker Arm, Ultra Gold, Full Roller, 1.5 Ratio, Aluminum, Narrow Body, Not Self-Aligning, 3/8 in. Stud, Chevy, Set of 16

Part Number: CCA-19017-16

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams Ultra Gold ARC Series Aluminum Rocker Arms 19054-16

Rocker Arms, Ultra Gold, Full Roller, 1.7 Ratio, Aluminum, 5/16 in. Stud Size, Ford, 5.0L, 5.8L, Set of 16

Part Number: CCA-19054-16

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams High Energy Diecast Aluminum Rocker Arms 17005-8

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 8

Part Number: CCA-17005-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3222

Rocker Arms, Endurance Series, Pedestal Mount, Full Roller, Aluminum, 1.72 Ratio, Ford, Small Block, Set of 16

Part Number: SCC-SCP3222

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

S&S Cycle Roller Rocker Arms 900-1084

Rocker Arms, Roller Tip Style, 1.64 Ratio, Steel, Harley-Davidson®, Set of 4

Part Number: SSY-900-1084

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3303

Rocker Arms, Endurance Series, Stud Mount, 5/16 in., 1.7 Ratio, Full Roller, Aluminum, Blue, Dodge, Jeep, Set of 16

Part Number: SCC-3303

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3020

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.72 Ratio, 7/16 in. Stud, Ford, Small Block, Set of 16

Part Number: SCC-SCP3020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3060-1

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.83 Ratio, Ford, Each

Part Number: SCC-SCP3060-1

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

S&S Cycle Roller Rocker Arms 900-4065A

Rocker Arms, Forged Steel, 1.625:1 Ratio, Roller Tip, Buell, Harley-Davidson®, Set of 4

Part Number: SSY-900-4065A

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

COMP Cams High Energy Diecast Aluminum Rocker Arms 17044-8

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 7/16 in. Stud, AMC/Ford/Oldsmobile, Set of 8

Part Number: CCA-17044-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

COMP Cams Ultra Pro Magnum XD Roller Rocker Arms 1808-1

Rocker Arm, Fits 7/16 in. Stud, Full Roller, Steel, 1.55 Ratio, Chevy, Small Block/GM V6, Each

Part Number: CCA-1808-1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

PRW Pro Series Stainless Steel Rocker Arms 0230213-01

Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.8 Ratio, Fits 7/16 in. Stud, Ford, Small Block Windsor, Each

Part Number: PQX-0230213-01

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

PRW Pedestal-Shaft Rocker Arms 3535037

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.60 Ratio, Brodix Track 1 Heads, Kit

Part Number: PQX-3535037

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB409C.005

Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-005

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB263.010

Piston and Ring Kit, Hypereutectic, 3.447 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-010

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB915C.STD

Piston and Ring Kit, Forged, 4.000 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-STD

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

PRW Sportsman Steel Roller Tip Rocker Arms 68455756

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.52/1.65 Split Ratio, Fits 7/16 in. Stud, With Oil Deflector, Pontiac, Set of 16

Part Number: PQX-68455756

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today