Street Bike Engine
Street Bike Engine Parts at JJ Motorsports
Rebuild and upgrade your street bike engine with precision parts from JJ Motorsports. Our inventory includes valves, complete gasket sets, and seals made from top-quality materials for optimal sealing, compression, and durability in high-performance applications. Compatible with Honda, Suzuki, BMW, Yamaha, and more, these components support full engine rebuilds, leak prevention, and enhanced reliability for sportbikes, cruisers, or tourers on the road or track.
Shop trusted brands like VESRAH for OEM-matching valves and gaskets. Explore related categories such as street bike air and fuel for intake upgrades or street bike drivetrain for transmission pairings.
Top Street Bike Engine Products
- VESRAH Exhaust Valve GG-1002-EX – Precision-made to match OEM specs for reliable exhaust flow.
- VESRAH Intake Valve GG-1002-IN – High-quality materials for smooth intake performance.
- VESRAH Exhaust Valve GG-1003-EX – Durable construction for long-lasting engine efficiency.
- VESRAH Complete Gasket Kit - Rebel 250 VG-1068 – Comprehensive set with o-rings and seals for full rebuilds.
- VESRAH Complete Gasket Kit - CB 700 VG-1073-M – Includes all essential gaskets for engine overhauls.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Hot Cams Valve Shim 13mm x 2.75mm for Kawasaki ZR550 ZR750 ZR1100 5PK1300275
HOT CAMS
$13.95Valve clearance drift is inevitable—worn shims throw off your engine's precise timing and rob you of power. This 5-pack of Hot Cams valve shims lets you dial in exact clearances without guesswork, keeping your Kawasaki ZR running at peak efficiency...09262335- SKU:
- 09262335
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$13.95Qty in Cart: 0Quantity:Price:$13.95Subtotal: -
Hot Cams Valve Shim 13mm x 2.85mm for 2008-2010 KTM 530 EXC-R 5PK1300285
HOT CAMS
$13.95Valve clearance drift is inevitable on high-mileage KTM 530 EXC-R engines—even minor deviations compromise combustion efficiency and can lead to bent valves or loss of performance. These HOT CAMS valve shims restore precise clearance tolerances, ensuring...09262337- SKU:
- 09262337
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.85 MM
$13.95Qty in Cart: 0Quantity:Price:$13.95Subtotal: -
Hot Cams Valve Shim 13mm x 3.05mm for Kawasaki ZR1100 1992-1995 5PK1300305
HOT CAMS
$12.95Proper valve clearance is critical to engine longevity and performance—even small deviations can lead to premature wear, lost power, and costly damage. The Hot Cams Valve Shim pack gives you the precision adjustment tools needed to dial in your Kawasaki...09262341- SKU:
- 09262341
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 3.05 MM
- MATERIAL:
- STEEL
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
Hot Cams Valve Shim 13mm x 3.10mm for 2008-2010 KTM 530 EXC-R 5PK1300310
HOT CAMS
$12.95Valve clearance directly impacts combustion efficiency, valve longevity, and overall engine reliability—especially critical on high-performance machines like the KTM 530 EXC-R. Hot Cams valve shims allow you to dial in precise clearance specifications...09262342- SKU:
- 09262342
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 3.10 MM
- RIDING STYLE:
- UTV
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
COMETIC Street Gasket C8030
COMETIC
$67.95A quality gasket is the foundation of a reliable seal—and this COMETIC Street Gasket delivers the precision and durability that serious builders demand. Whether you're running stock or modified power levels, the multi-layer construction with stainless...C8030- SKU:
- C8030
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FEATURES:
- WITH NO DOWEL PINS
- BORE SIZE METRIC:
- 73.50 MM
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 1.09 MM
- UNITS:
- EACH
- BORE SIZE:
- 73,50 MM
- PRODUCT NAME:
- GASKET
- TYPE:
- CYLINDER HEAD
- DISPLACEMENT:
- 997 CC - 1100 CC
- MATERIAL:
- GALVANIZED STEEL
- THICKNESS IMPERIAL:
- 0,043'
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
Wiseco Piston Ring Set 89mm Bore for 2006-2008 Honda TRX400EX 3504XC
WISECO
$49.95Piston rings are the critical seal between your piston and cylinder wall—worn or incorrectly sized rings cause blow-by, power loss, and accelerated engine wear. The Wiseco 3504XC Ring Set is precision-engineered to OEM specifications for your 2006-2008...3504XC- SKU:
- 3504XC
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 89.00 MM
- PISTON MATERIAL:
- ALUMINUM
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
COMETIC Stator Gasket - Honda EC628018AFM
COMETIC
$11.95Factory stator cover gaskets fail prematurely due to heat cycling and limited sealing surfaces on modern engine cases—leaving you stranded with oil seepage and costly downtime. The COMETIC Stator Gasket eliminates this problem with an aluminum-core AFM...09344027- SKU:
- 09344027
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STATOR COVER
- MODEL:
- HI-PERFORMANCE
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$11.95 -
COMETIC Clutch Gasket - Honda EC625018AFM
COMETIC
$17.95A quality clutch gasket is essential to preventing oil seepage and maintaining a reliable seal under thermal stress. The COMETIC EC625018AFM uses an AFM composite material—a chemically blown nitrile synthetic rubber bonded to an aluminum core—that...09344025- SKU:
- 09344025
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- MODEL:
- HI-PERFORMANCE
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$17.95Qty in Cart: 0Quantity:Price:$17.95Subtotal: -
COMETIC Stator Gasket - Yamaha EC421020F
COMETIC
$8.95OEM stator cover gaskets fail prematurely due to adhesion to engine cases and poor sealing under heat cycling—leading to costly downtime and potential oil leaks. The COMETIC Stator Gasket uses AFM material (chemically blown nitrile synthetic rubber...09344019- SKU:
- 09344019
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,020'
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- TYPE:
- STATOR COVER
- MATERIAL:
- ARAMID FIBER
- THICKNESS:
- 0,51 MM (0,020')
- UNITS:
- EACH
- THICKNESS METRIC:
- 0.51 MM
$8.95 -
COMETIC Stator Gasket - Yamaha EC376018AFM
COMETIC
$7.95OEM stator cover gaskets fail prematurely due to adhesion to engine cases and material degradation—leaving you stuck mid-season with seeping oil and costly downtime. The COMETIC Stator Gasket eliminates these failures with an AFM composite construction...09344015- SKU:
- 09344015
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- MODEL:
- HI-PERFORMANCE
- RIDING STYLE:
- STREET
- TYPE:
- STATOR COVER
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
COMETIC Clutch Gasket - Suzuki EC091020F
COMETIC
$11.95A failing clutch cover gasket compromises engine sealing and leads to costly fluid leaks and repeated service intervals. The COMETIC EC091020F clutch gasket eliminates these problems with a reinforced aluminum-core construction that prevents weeping and...09343990- SKU:
- 09343990
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- THICKNESS IMPERIAL:
- 0,020'
$11.95 -
COMETIC Gasket Kit - Yamaha C8720
COMETIC
$36.95A quality gasket kit is essential for maintaining a reliable seal across your engine's critical junctions—without it, you're risking oil leaks, coolant seepage, and compromised combustion efficiency. The COMETIC C8720 delivers a complete solution with...09343861- SKU:
- 09343861
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE METRIC:
- 70.00 MM
- THICKNESS IMPERIAL:
- 0,018'
- UNITS:
- KIT
- BORE SIZE:
- 70,00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- MODEL:
- HI-PERFORMANCE
- THICKNESS:
- 0,46 MM (0,018')
- THICKNESS METRIC:
- 0.46 MM
- TYPE:
- ENGINE CASE REBUILD
$36.95 -
COMETIC Head Gasket - GSXR 1300 C8220
COMETIC
$103.95A head gasket is your engine's critical seal—it prevents combustion gases and coolant from leaking into the oil system, which can lead to catastrophic engine failure. The COMETIC C8220 is engineered specifically for the GSXR 1300 with multi-layer...09343582- SKU:
- 09343582
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE:
- 84,00 MM
- THICKNESS METRIC:
- 0.76 MM
- TYPE:
- CYLINDER HEAD
- BORE SIZE METRIC:
- 84.00 MM
- MATERIAL:
- STEEL
- THICKNESS IMPERIAL:
- 0,030'
- FEATURES:
- WITH 13 MM STUDS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$103.95Qty in Cart: 0Quantity:Price:$103.95Subtotal: -
RICK'S MOTORSPORT ELECTRIC Stator Gasket - Suzuki 25-300
RICK'S MOTORSPORT ELECTRIC
$14.95A failing stator cover gasket compromises your ignition system's reliability and invites oil seepage that accelerates corrosion. Rick's Motorsport Electric gaskets are precision-engineered replacements that restore proper sealing and protect critical...09342596- SKU:
- 09342596
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- STATOR COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
On Sale
ATHENA Complete Gasket Kit - Suzuki P400510850910
ATHENA
MSRP: $258.95Now: $233.00Was: $258.95A complete gasket kit is essential for any top-end or full engine rebuild—poor sealing leads to compression loss, oil leakage, and premature failure. The ATHENA P400510850910 delivers factory-quality gaskets engineered to handle extreme temperatures and...09342365- SKU:
- 09342365
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- STREET
- TYPE:
- COMPLETE
- UNITS:
- KIT
MSRP: $258.95Now: $233.00Was: $258.95 -
On Sale
ATHENA Complete Gasket Kit - Suzuki P400510850604/1
ATHENA
MSRP: $251.95Now: $227.00Was: $251.95A complete engine rebuild demands precision gaskets that maintain their integrity under sustained high temperatures and extreme cylinder pressures. The ATHENA Complete Gasket Kit delivers the sealing reliability professional racers and serious...09342363- SKU:
- 09342363
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $251.95Now: $227.00Was: $251.95 -
On Sale
ATHENA Top End Gasket Kit - Suzuki P400510600910
ATHENA
MSRP: $248.95Now: $224.00Was: $248.95Whether you're prepping for race season or executing a midseason engine refresh, the ATHENA Top End Gasket Kit ensures a reliable seal with zero guesswork. This kit gives you flexibility to run either pump gas with stock compression or race fuel with...09342358- SKU:
- 09342358
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- MATERIAL:
- SPRING STEEL
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
MSRP: $248.95Now: $224.00Was: $248.95 -
On Sale
ATHENA Top End Gasket Kit - BMW P400068600013
ATHENA
MSRP: $306.95Now: $276.00Was: $306.95When you're preparing your BMW for race day, a fresh top end gasket kit is essential to seal in performance and prevent mid-race failures. The ATHENA P400068600013 gives you the flexibility to run either standard fuel with stock compression or premium...09342354- SKU:
- 09342354
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- SPRING STEEL
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- UNITS:
- KIT
MSRP: $306.95Now: $276.00Was: $306.95Qty in Cart: 0Quantity:Price:MSRP: $306.95Now: $276.00Was: $306.95Subtotal: -
On Sale
ATHENA Top End Gasket Kit - BMW P400068600950
ATHENA
MSRP: $116.95Now: $105.00Was: $116.95Pre-race engine maintenance just got simpler. The ATHENA Top End Gasket Kit gives you the flexibility to optimize your BMW's compression ratio—run pump gas with stock settings or switch to race fuel for elevated performance, all without a complete engine...09342293- SKU:
- 09342293
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $116.95Now: $105.00Was: $116.95Qty in Cart: 0Quantity:Price:MSRP: $116.95Now: $105.00Was: $116.95Subtotal: -
On Sale
ATHENA Complete Gasket Kit - KTM P400270870054
ATHENA
MSRP: $394.95Now: $355.00Was: $394.95A complete engine rebuild demands gasket integrity that won't compromise under sustained heat and pressure. The ATHENA Complete Gasket Kit delivers OEM-quality sealing across your entire top-end and engine block with materials engineered to handle...09342060- SKU:
- 09342060
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- ENGINE TYPE:
- -
- UNITS:
- KIT
MSRP: $394.95Now: $355.00Was: $394.95Qty in Cart: 0Quantity:Price:MSRP: $394.95Now: $355.00Was: $394.95Subtotal:
