Street Bike Engine
At JJ Motorsports, we sell the best aftermarket street bike engine parts online. Our selection of parts are from the top brands in the industry, so you can be sure you're getting the best quality and performance for your money. We also offer free shipping on orders over $99, so you can save even more on your purchase. And if you're not satisfied with your purchase, we offer a 30-day return policy to make sure you're happy with your purchase. So whether you're looking for a new exhaust system, a performance air filter, or just a few replacement parts, JJ Motorsports is your one-stop shop for all your street bike engine needs.
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K&L SUPPLY Valve Shim - 2.50 - 7.50mm 13-6749
K&L SUPPLY
$14.30K&L SUPPLY Valve Shim 2.50 7.50mm 13-6749For 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
$15.00K&L SUPPLY Valve Shim 2.55 7.50mm 13-6750For 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
$144.95KIBBLEWHITE Spring Kit 60-60560Extensive 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,...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
$144.95 -
KIBBLEWHITE Intake Valve 30-4221
KIBBLEWHITE
$31.95KIBBLEWHITE Intake Valve 30-4221Black 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...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
$31.95 -
KIBBLEWHITE Exhaust Valve 30-4222
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 30-4222Black 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...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'
$31.95 -
KIBBLEWHITE Valve Guide 60-60020-C
KIBBLEWHITE
$5.95KIBBLEWHITE Valve Guide 60-60020-CAll 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
$5.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 60-61710
KIBBLEWHITE
MSRP: $269.95Now: $162.00Was: $269.95KIBBLEWHITE Valve Spring Kit 60-61710These high quality replacement springs have been designed to exceeds the OEM specifications by fitting precisely on the spring shoulder diameter of both the OEM retainers, and KPMI® H.T. Steel retainers, This kit also...09263171- SKU:
- 09263171
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,425'
- SPRING SEAT PRESSURE:
- 60 LB
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- SPRING LIFT IMPERIAL:
- 0.425'
- SPRING OPEN PRESSURE:
- 181 LB
MSRP: $269.95Now: $162.00Was: $269.95 -
On Sale
KIBBLEWHITE Intake Valve - Titanium - GSXR1000 60-61662T
KIBBLEWHITE
MSRP: $75.95Now: $46.00Was: $75.95KIBBLEWHITE Intake Valve Titanium GSXR1000 60-61662TTensilite® 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...09263174- SKU:
- 09263174
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 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: $75.95Now: $46.00Was: $75.95 -
On Sale
KIBBLEWHITE Valve Guide - Standard 60-61670
KIBBLEWHITE
MSRP: $19.95Now: $12.00Was: $19.95KIBBLEWHITE Valve Guide Standard 60-61670Precision-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...09263175- SKU:
- 09263175
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 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: $12.00Was: $19.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 40-41100
KIBBLEWHITE
MSRP: $705.95Now: $424.00Was: $705.95KIBBLEWHITE Valve Spring Kit 40-41100Designed 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...09263235- SKU:
- 09263235
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 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: $705.95Now: $424.00Was: $705.95 -
KIBBLEWHITE Retainer Set - 16 pack 40-41121
KIBBLEWHITE
$177.95KIBBLEWHITE Retainer Set 16 pack 40-41121Titanium 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:
- 0.25 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 16 PACK
- MATERIAL:
- HIGH TENSILE STEEL
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- RETAINER SET
$177.95 -
On Sale
KIBBLEWHITE Tappets - 16 pack 40-41125
KIBBLEWHITE
MSRP: $609.95Now: $366.00Was: $609.95KIBBLEWHITE Tappets 16 pack 40-41125All components made in the U.S.A.09263240- SKU:
- 09263240
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MATERIAL:
- HIGH TENSILE STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 16 PACK
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- TAPPET
- APPLICATION:
- INTAKE
MSRP: $609.95Now: $366.00Was: $609.95 -
KIBBLEWHITE Valve Guide Seal - Viton 71013-16
KIBBLEWHITE
$50.95KIBBLEWHITE Valve Guide Seal Viton 71013-16Viton intake/exhaust seals, Made in the U.S.A.09263241- SKU:
- 09263241
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 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
$50.95 -
On Sale
KIBBLEWHITE Valve Spring Kit 40-40850
KIBBLEWHITE
MSRP: $746.98Now: $448.00Was: $746.98KIBBLEWHITE Valve Spring Kit 40-40850Designed 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...09263242- SKU:
- 09263242
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT:
- 0,445'
- SPRING OPEN PRESSURE:
- INTAKE 162 LB, EXHAUST 153 LB
- UNITS:
- KIT
- SPRING SEAT PRESSURE:
- INTAKE 50 LB, EXHAUST 44 LB
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- STREET
- SPRING LIFT IMPERIAL:
- 0.445'
MSRP: $746.98Now: $448.00Was: $746.98 -
KIBBLEWHITE Intake Valve 40-4190
KIBBLEWHITE
$37.95KIBBLEWHITE Intake Valve 40-4190Black 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...09263243- SKU:
- 09263243
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 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'
$37.95 -
KIBBLEWHITE Valve Guide Seal - Viton 71016-8
KIBBLEWHITE
$27.95KIBBLEWHITE Valve Guide Seal Viton 71016-8Viton intake/exhaust seals, Made in the U.S.A.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
$27.95 -
KIBBLEWHITE Valve Spring Kit 60-60120
KIBBLEWHITE
$242.95KIBBLEWHITE Valve Spring Kit 60-60120Designed 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...09263246- SKU:
- 09263246
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- SPRING LIFT:
- 0,500'
- SPRING OPEN PRESSURE:
- 268 LB
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SPRING KIT
- SPRING LIFT IMPERIAL:
- 0.500'
- SPRING SEAT PRESSURE:
- 90 LB
- UNITS:
- KIT
$242.95 -
KIBBLEWHITE Exhaust Valve 60-60143
KIBBLEWHITE
$31.95KIBBLEWHITE Exhaust Valve 60-60143Black 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...09263249- SKU:
- 09263249
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- HEAD DIAMETER METRIC:
- 24.00 MM
- LENGTH IMPERIAL:
- 3.755'
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- VALVE
- STEM DIAMETER IMPERIAL:
- 3.97 MM
- TULIP ANGLE:
- 20°
- MODEL:
- BLACK DIAMOND™
- UNITS:
- EACH
$31.95 -
KIBBLEWHITE Valve Guide 60-60150
KIBBLEWHITE
$28.95KIBBLEWHITE Valve Guide 60-60150All 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, Keepers are not included, Made in the U.S.A.09263250- SKU:
- 09263250
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.3573'
- APPLICATION:
- EXHAUST
- INSIDE DIAMETER IMPERIAL:
- 0.1570'
- MATERIAL:
- C630 BRONZE
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$28.95 -
KIBBLEWHITE Beehive Valve Spring Kit 60-60950
KIBBLEWHITE
$187.95KIBBLEWHITE Beehive Valve Spring Kit 60-60950Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peened, Tight-tolerance, FEA-designed hardened steel Posi-Loc™ style upper retainers to ensure...09263251- SKU:
- 09263251
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- SPRING OPEN PRESSURE:
- 181 LB
- SPRING SEAT PRESSURE:
- 60 LB
- UNITS:
- KIT
- SPRING LIFT IMPERIAL:
- 0.425'
- COLLAR MATERIAL:
- STEEL
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- STYLE:
- PERFORMANCE REBUILD BEEHIVE
$187.95
