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 Complete Gasket Kit - Yamaha P400485850165
ATHENA
MSRP: $97.95Now: $88.00Was: $97.95Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior tensile strength, Revolutionary transparent...09342030- SKU:
- 09342030
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- COMPLETE
- UNITS:
- KIT
MSRP: $97.95Now: $88.00Was: $97.95 -
On Sale
ATHENA Complete Gasket Kit - Yamaha P400485870065
ATHENA
MSRP: $254.95Now: $229.00Was: $254.95Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior tensile strength, Revolutionary transparent...09342033- SKU:
- 09342033
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
MSRP: $254.95Now: $229.00Was: $254.95 -
On Sale
ATHENA Complete Gasket Kit - Suzuki P400510850055
ATHENA
MSRP: $237.95Now: $214.00Was: $237.95Superior-quality gasket sets from Athena, Head gaskets feature rubber-coated spring steel construction, Soft steel base gaskets are rubber coated, Steel core materials feature high springback and superior tensile strength, Revolutionary transparent...09342039- SKU:
- 09342039
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- RIDING STYLE:
- STREET
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- UNITS:
- KIT
MSRP: $237.95Now: $214.00Was: $237.95 -
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: $350.95 -
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
$31.95 -
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
$31.95 -
K&L SUPPLY Valve Shim - 2.50 - 7.50mm 13-6749
K&L SUPPLY
$14.30For shim-adjusted vehicles136749- 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
$15.00For shim-adjusted vehicles136750- 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
$144.69Extensive R&D on all applications to provide high-performance components that last longer than OEM, Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws, All components made in the U.S...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
$31.01Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.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
$31.01 -
KIBBLEWHITE Exhaust Valve 30-4222
KIBBLEWHITE
$31.01Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear, Made in the U.S.A.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
$5.57All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.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: $75.69Tensilite® valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy, Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant, Made in the U.S.A.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: $22.29Now: $14.00Was: $22.29Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...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: $22.29Now: $14.00Was: $22.29 -
On Sale
KIBBLEWHITE Valve Spring Kit 40-41100
KIBBLEWHITE
MSRP: $705.77Now: $452.00Was: $705.77Designed to out-perform and outlast the factory valve springs, Kit features lightweight, high-strength CrSi valve springs,, H.T. steel base washers and titanium spring retainers, Complete kit, everything you need to for a complete valve spring swap09263235- 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
$177.28Titanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performance, All components made in the U.S.A.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: $689.62Now: $441.00Was: $689.62All components made in the U.S.A.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: $689.62Now: $441.00Was: $689.62
