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
-
On Sale
ATHENA Top End Gasket Kit - Honda P400210600229
ATHENA
MSRP: $350.95Now: $316.00Was: $350.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...09342042- SKU:
- 09342042
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MATERIAL:
- SPRING STEEL
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
MSRP: $350.95Now: $316.00Was: $350.95Qty in Cart: 0Quantity:Price:MSRP: $350.95Now: $316.00Was: $350.95Subtotal: -
On Sale
ATHENA Top End Gasket Kit - Kawasaki P400250620052
ATHENA
MSRP: $143.95Now: $130.00Was: $143.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...09342047- SKU:
- 09342047
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- MATERIAL:
- SPRING STEEL
MSRP: $143.95Now: $130.00Was: $143.95 -
On Sale
ATHENA Top End Gasket Kit - Honda P400210600650/1
ATHENA
MSRP: $133.95Now: $121.00Was: $133.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...09342883- SKU:
- 09342883
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
MSRP: $133.95Now: $121.00Was: $133.95 -
POWERSTANDS RACING Oil Cap Kit - Black - M24 x 2.0 00-01316-22
POWERSTANDS RACING
$31.95CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme heat09500431- SKU:
- 09500431
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- DIAMETER - THREAD SIZE IMPERIAL:
- M24 X 2.0
- PRODUCT NAME:
- CAP KIT
- TYPE:
- OIL FILLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$31.95 -
POWERSTANDS RACING Oil Cap Kit - Silver - M27 x 3.0 00-01313-21
POWERSTANDS RACING
$31.95CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme heat09500433- SKU:
- 09500433
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- DIAMETER - THREAD SIZE IMPERIAL:
- M27 X 3.0
- TYPE:
- OIL FILLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- CAP KIT
- UNITS:
- KIT
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
SHOW CHROME Oil Dipstick - XVS950 VSTAR 63-214
SHOW CHROME
$31.95Chrome dipstick with cap, Replaces OEM plastic cap and dipstick, Uses existing OEM O-ring09500324- SKU:
- 09500324
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- DIPSTICK
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- ENGINE
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
K&L SUPPLY Valve Shim - 2.50 - 7.50mm 13-6749
K&L SUPPLY
$14.30Valve clearance directly impacts combustion efficiency, noise levels, and engine longevity—and improper shim sizing is a common cause of performance loss and premature wear. The K&L SUPPLY Valve Shim delivers precision-engineered adjustment for...136749- SKU:
- 136749
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
- OUTSIDE DIAMETER METRIC:
- 7.50 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
$14.30 -
K&L SUPPLY Valve Shim - 2.55 - 7.50mm 13-6750
K&L SUPPLY
$15.00Valve clearance directly impacts engine performance, fuel efficiency, and component longevity—and this K&L Supply shim delivers the precision adjustment your shim-adjusted engine requires. Whether you're fine-tuning a race-prepped motor or maintaining...136750- SKU:
- 136750
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- OUTSIDE DIAMETER METRIC:
- 7.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.55 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- WATERCRAFT
$15.00 -
KIBBLEWHITE Spring Kit 60-60560
KIBBLEWHITE
$144.69Valve spring performance directly impacts engine reliability, rev capacity, and longevity—especially under high-load racing conditions. The KIBBLEWHITE Spring Kit 60-60560 delivers OEM-exceeding durability through meticulous manufacturing and quality...09260862- SKU:
- 09260862
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- SPRING OPEN PRESSURE:
- 195 LB
- SPRING SEAT PRESSURE:
- 65 LB
- UNITS:
- KIT
- SPRING LIFT IMPERIAL:
- 0.415'
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- CHROME-SILICON
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
$144.69 -
KIBBLEWHITE Intake Valve 30-4221
KIBBLEWHITE
$31.01Intake valve performance directly impacts combustion efficiency, and inferior valves cost you power through friction and premature wear. The KIBBLEWHITE Black Diamond™ 30-4221 is precision-engineered from premium EV8 stainless steel forgings to eliminate...09263048- SKU:
- 09263048
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- BLACK DIAMOND™
- TULIP ANGLE:
- 23°
- APPLICATION:
- INTAKE
- LENGTH IMPERIAL:
- 3.535'
- STEM DIAMETER IMPERIAL:
- 0.2157'
- UNITS:
- EACH
- HEAD DIAMETER METRIC:
- 25.02 MM
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
$31.01Qty in Cart: 0Quantity:Price:$31.01Subtotal: -
KIBBLEWHITE Exhaust Valve 30-4222
KIBBLEWHITE
$31.01Exhaust valves endure extreme temperatures and constant cycling—factory units often become a limiting factor in high-performance engines. The KIBBLEWHITE Black Diamond™ exhaust valve delivers measurably improved durability and reduced friction through...09263049- SKU:
- 09263049
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.2152'
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- TULIP ANGLE:
- 29°
- HEAD DIAMETER METRIC:
- 22.10 MM
- LENGTH IMPERIAL:
- 3.475'
$31.01 -
KIBBLEWHITE Valve Guide 60-60020-C
KIBBLEWHITE
$5.57Valve guide wear is one of the most common causes of oil consumption and performance degradation in high-revving engines. The KIBBLEWHITE 60-60020-C is engineered to eliminate this problem with superior heat dissipation and wear resistance, ensuring...09263039- SKU:
- 09263039
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.4170'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.1931'
- MATERIAL:
- CAST IRON
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
$5.57Qty in Cart: 0Quantity:Price:$5.57Subtotal: -
On Sale
KIBBLEWHITE Intake Valve - Titanium - GSXR1000 60-61662T
KIBBLEWHITE
MSRP: $75.69Now: $48.00Was: $75.69Titanium intake valves are essential for high-RPM applications where heat resistance and lightweight performance directly impact horsepower and reliability. Kibblewhite's Tensilite® valves deliver superior durability under extreme combustion pressures,...09263174- SKU:
- 09263174
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- HEAD DIAMETER METRIC:
- 31.00 MM
- MATERIAL:
- TITANIUM
- TULIP ANGLE:
- 25°
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- TENSILITE®
- STEM DIAMETER IMPERIAL:
- 0.1765'
MSRP: $75.69Now: $48.00Was: $75.69 -
On Sale
KIBBLEWHITE Valve Guide - Standard 60-61670
KIBBLEWHITE
MSRP: $19.95Now: $14.00Was: $19.95Valve guides are the backbone of reliable cylinder head performance—worn guides lead to excessive oil consumption, poor sealing, and compromised flow. The KIBBLEWHITE Standard 60-61670 is precision-machined from C630 material to deliver exceptional...09263175- SKU:
- 09263175
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BASE COLOR:
- BROWN
- MATERIAL:
- C630 BRONZE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- COLOR/FINISH:
- BRONZE
- INSIDE DIAMETER IMPERIAL:
- 0.1760'
- SIZE IMPERIAL:
- STANDARD
- OUTSIDE DIAMETER IMPERIAL:
- 0.3773'
MSRP: $19.95Now: $14.00Was: $19.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 40-41100
KIBBLEWHITE
MSRP: $705.77Now: $452.00Was: $705.77Factory valve springs impose a performance ceiling that limits your engine's RPM potential and reliability under sustained high-load conditions. The KIBBLEWHITE Valve Spring Kit 40-41100 replaces those compromises with precision-engineered components...09263235- SKU:
- 09263235
- Availability:
- Ships Same Business Day
- Weight:
- 1.61 LBS
- SPRING LIFT IMPERIAL:
- 0.445'
- SPRING SEAT PRESSURE:
- INTAKE 50 LB, EXHAUST 44 LB
- UNITS:
- KIT
- SPRING LIFT:
- 0,445'
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- SPRING OPEN PRESSURE:
- 162 LB
MSRP: $705.77Now: $452.00Was: $705.77 -
KIBBLEWHITE Retainer Set - 16 pack 40-41121
KIBBLEWHITE
$177.28Valve retainers are critical wear components that demand superior strength and minimal weight to withstand extreme RPM and spring pressures. KIBBLEWHITE's 6AL4V titanium construction delivers the strength of steel at a fraction of the mass, reducing...09263237- SKU:
- 09263237
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 16 PACK
- MATERIAL:
- HIGH TENSILE STEEL
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- RETAINER SET
$177.28 -
On Sale
KIBBLEWHITE Tappets - 16 pack 40-41125
KIBBLEWHITE
MSRP: $609.95Now: $441.00Was: $609.95Tappets are critical valve train components that directly impact engine reliability, valve timing accuracy, and overall performance consistency. Worn or inferior tappets introduce unwanted clearance variability, compromising cam lobe contact and...09263240- SKU:
- 09263240
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MATERIAL:
- HIGH TENSILE STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 16 PACK
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- TAPPET
- APPLICATION:
- INTAKE
MSRP: $609.95Now: $441.00Was: $609.95 -
KIBBLEWHITE Valve Guide Seal - Viton 71013-16
KIBBLEWHITE
$50.25Worn valve guide seals compromise combustion efficiency and accelerate oil consumption—a problem that compounds quickly in high-performance engines. KIBBLEWHITE's Viton seals deliver the chemical resistance and temperature stability your engine demands,...09263241- SKU:
- 09263241
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.380'
- RIDING STYLE:
- STREET
- STEM DIAMETER METRIC:
- 4.00 MM
- APPLICATION:
- INTAKE
- TYPE:
- VALVE GUIDE
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 16 PACK
$50.25 -
KIBBLEWHITE Intake Valve 40-4190
KIBBLEWHITE
$37.55The KIBBLEWHITE Intake Valve 40-4190 delivers measurable gains in flow efficiency and reliability, making it essential for any serious engine build. Built from premium EV8 stainless steel with a proprietary multi-stage process, this valve resists...09263243- SKU:
- 09263243
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- INTAKE
- HEAD DIAMETER METRIC:
- 29.00 MM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- STEM DIAMETER IMPERIAL:
- 5.50 MM
- TULIP ANGLE:
- 20°
- UNITS:
- EACH
- MODEL:
- BLACK DIAMOND™
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 3.510'
$37.55 -
KIBBLEWHITE Valve Guide Seal - Viton 71016-8
KIBBLEWHITE
$27.92Valve guide seals are critical to engine longevity—they prevent oil from seeping into the combustion chamber, which causes blow-by, carbon buildup, and performance loss. KIBBLEWHITE's Viton seals offer superior heat and chemical resistance compared to...09263245- SKU:
- 09263245
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.50 MM
- MATERIAL:
- VITON
- OUTSIDE DIAMETER IMPERIAL:
- 0.440'
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE GUIDE
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
$27.92
