ATV/UTV Engine Valves and Parts
ATV/UTV Valves & Parts at JJ Motorsports
Refresh your ATV/UTV’s valvetrain with premium valves, seals, and spring kits from JJ Motorsports, designed for high-RPM durability and perfect sealing on Yamaha Banshee, Honda TRX450R, Suzuki LTZ400, and more. These high-quality components restore compression and support aggressive cams for maximum performance in off-road and racing conditions.
Shop Vesrah, Moose Racing, and Kibblewhite valve parts for race-proven reliability. Explore related categories such as ATV/UTV engine for cams and gaskets, or ATV/UTV for exhaust and suspension to complete your top-end rebuild and ride with total confidence across all conditions, from high-speed dunes to technical trails.
Top ATV/UTV Valves & Parts
- Vesrah Exhaust Valve GG-4033-EX – Titanium exhaust valve; lightweight and heat-resistant for Yamaha Banshee and Blaster 2-stroke engines.
- Moose Racing Valve Seal Kit M30-30970 – Viton valve stem seal kit; fits 4-stroke sport quads like Honda TRX450R and Yamaha YFZ450.
- Kibblewhite Valve Spring Kit 80-80410 – High-performance spring kit with titanium retainers; supports .500"+ lift on Suzuki LTZ400 and Kawasaki KFX450R.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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PROX Valve and Spring Kit 28.SES3406-1
PROX
$139.95If you're pushing your engine to the limits, OEM valves and springs will become your bottleneck. The PROX 28.SES3406-1 Kit replaces them with nitrided steel valves and premium chrome vanadium springs engineered to handle extreme RPMs, boost conditions,...09261428- SKU:
- 09261428
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MATERIAL:
- STEEL
- APPLICATION:
- EXHAUST
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$139.95Qty in Cart: 0Quantity:Price:$139.95Subtotal: -
XCELDYNE X2 Titanium Valve - Exhaust X2TEVM43000
XCELDYNE
$110.19Off-road engines demand valves that can withstand extreme temperatures and abuse without sacrificing flow characteristics. The XCELDYNE X2 Titanium Valve delivers the durability and performance you need to keep your engine running at peak efficiency lap...09262557- SKU:
- 09262557
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- VALVE TRAIN KIT
- MATERIAL:
- TITANIUM
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
$110.19Qty in Cart: 0Quantity:Price:$110.19Subtotal: