Ruizheng Racing
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- Yamaha, MX King Crank Pin
1.5/2.0/2.5/3mm MX King Crank Pin – Racing Engine Performance Upgrade
- The MX King Crank Pin is a high-strength forged steel component designed for Yamaha MX King, Vixion, R15, and Jupiter MX engines. Available in 1.5mm, 2.0mm, 2.5mm, and 3.0mm stroke sizes, this crank pin kit delivers excellent durability, smooth power transfer, and improved racing performance.
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- GY6 Cylinder Heads
150cc 125cc GY6 QMJ157 61mm Performance Big Valve GY6 2 Valve Cylinder Head
- Upgrade your scooter with our GY6 2 Valve Cylinder Head. Available in 58.5mm to 63mm sizes with big valve options (23/28 & 30.5/26.5). Perfect GY6 150cc racing parts for Puerto Rico riders and beyond. MOQ 100pcs.
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- Raw Pcx 150 Camshaft
50–55 HRC Raw PCX150 Camshaft | Ruizheng Racing
- Raw PCX150 camshaft for Vario 125/150, PCX 125/150, ADV 150. Premium super-hard steel, 50–55 HRC, easy to modify for daily, bore-up, and racing. MOQ 500. Factory customization, packaging design, and logo marking by Ruizheng Racing.
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- Beat Crank Pin
6 Sizes + Custom Options Beat Crank Pin Stroke for Racing
- Discover our high-performance Beat crank pin for racing applications. Available in 1.2mm to 4.0mm sizes. Custom logo and packaging options. Perfect for Indonesian and Western markets.
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- AX115-Crankshaft
AX100 Crankshaft – High Performance Replacement for Suzuki AX100
- Discover premium AX100 Crankshaft for Suzuki AX100 motorcycles. Durable, reliable, and designed for smooth engine performance. Perfect for engine rebuilds and performance upgrades.
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- Beat Timing Gears
Beat Timing Sprocket – Durable Adjustable Timing Gear for Honda Beat, Scoopy & Vario | Ruizheng Racing
- Buy Beat Timing Sprocket from Ruizheng Racing. Precision racing cam sprocket for Honda Beat Karbu, Beat Fi, Scoopy Fi, Vario 110, Beat Street, KVY, KZL, and K44. Perfect for workshops, distributors, and racing teams.
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- CB200 Camshaft
CB200 Raw Camshaft for Custom Racing Builds | Ruizheng Racing
- Precision CB200 Raw Camshaft for custom engine profiling. Ideal for professional tuners and builders. Ready for grinding. Shop racing components at Ruizheng Racing.
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- GY6 Crankshaft
GY6 Crankshaft – High Performance Racing Engine Parts +3.5mm +4mm +8.2mm +11.99mm +16mm
- Buy GY6 Crankshaft for 125cc & 150cc engines. Custom strokes +3.5mm to +16mm. Perfect GY6 engine parts for racing shops, distributors & clubs.
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- Jupiter-Z Crank Pin
High-Performance Jupiter Z Crank Pin for Racing | 4 Sizes + Custom Options
- Discover our premium Jupiter Z crank pin for racing and street performance. Available in 1.5mm to 3.0mm stroke-up specs. Custom logo and packaging. Designed for Indonesian and global markets.
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- KR150 Crankshaft
High-Performance KR150 Crankshaft for Kawasaki with Forged Connecting Rod
- The KR150 Crankshaft is engineered for Kawasaki KR150, ZX150, and 150RR motorcycles. Featuring a forged connecting rod and durable high-strength steel construction, it provides smooth rotation, enhanced torque, and high-RPM performance. Available with multiple jack-up stroke options (+1.0MM, +2.0MM, +3.0MM) for engine customization. Ideal for racing modifications, engine rebuilds, and performance upgrades. Minimum order quantity is 300 pieces. Compatible with…
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- NMAX Blank Camshaft
High-Performance NMAX Blank Camshaft for Racing and Modified Engines
- Upgrade your Yamaha NMAX with our NMAX Blank Camshaft. Enhance engine performance, reliability, and throttle response. Perfect for racing and custom tuning enthusiasts.
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- NMAX Crank Pin
High-Performance NMAX Pin Stroke – Crank Pin Upgrade for NMAX, Aerox, Lexi, Freego | Ruizheng Racing
- Upgrade your Yamaha NMAX, Aerox, Lexi, and Freego engines with the NMAX Pin Stroke crank pin. Available in 1mm, 1.5mm, 2mm, 3mm sizes, 59–62 HRC hardness. Perfect for racing shops, performance brands, and motorcycle clubs. Wholesale available.
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