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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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- Honda PCX150 Raw 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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- Racing Motorcycle Crankshafts, Yamaha RX King Racing Crankshaft
Best RX King Crankshaft +0.8mm Stroke | High-Performance Upgrade (2025) Kruk As
- Upgrade your Yamaha RX King with a high-quality RX King Crankshaft RX-KING-BANDUL +60G. Designed for RX 100, RX 135, RXK, offering smoother acceleration, better durability, and racing-level performance.
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- Honda CB200 Racing Camshafts
CB200 Camshaft Rocker Arm Set – T1/T2 Racing for Honda CB200 and Tiger Noken As
- CB200 camshaft rocker arm set for Honda CB200 and Honda Tiger. Finished camshaft with T1 and T2 options. OEM branding and packaging available. MOQ: 500 pieces.
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- Honda CB200 Racing Camshafts
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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- Custom Connecting Rod
Custom CNC Connecting Rod – 4340 Forged Steel H-Beam, I-Beam or X-Beam
- Custom CNC connecting rod in 4340 forged steel with H-Beam, I-Beam or X-Beam options. Custom bores, center distance, thickness and logo. MOQ: 300 pieces.
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- Dome Top Cast Piston
Dome Top Cast Piston – Custom Motorcycle Piston OEM
- Dome Top Cast Piston for wholesale motorcycle engine-parts projects. Cast construction with common 13 mm, 14 mm, 15 mm and 16 mm pin options. Drawing or sample review, logo marking and custom packaging available. MOQ: 500 pieces. Price on request.
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- Kvy Timing Sprocket
Dominant Kvy Timing Sprocket Gigi Timing Geser 34T Beat Adjustable gear
- Source the Kvy Timing Sprocket directly from the factory. Ruizheng Racing offers wholesale Timing Gear and Adjustable Timing Gear for a wide range of Honda (BEAT/PCX/SONIC) and Yamaha (MIO/MX/R15) models. Get precision Gigi Timing with an MOQ of 300 pieces.
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- Blank KVY Camshaft
Factory Direct Noken As / Kemshaft Bahan Mentah KVY Beat Karbu Scoopy Karbu Blank KVY Camshaft
- Looking for a blank KVY camshaft for Honda BEAT, SCOOPY, GENIO, or VARIO 110? Get the ultimate raw $camshaft$ solution from RuiZheng Racing! We offer unground, ground, and bearing-installed options with a low 300-piece MOQ. Perfect for performance tuners and motorcycle cam motor wholesalers. Contact us today at +8613690833592 to discuss your custom camshafts and cam upgrade needs.
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- Flat Top Forged Piston
Flat Top Forged Piston Kit for Motorcycle Engine Performance Upgrade Solution
- Boost engine power with our premium Flat Top Forged Piston Kit. Factory-direct from Ruizheng Racing (Foshan), we offer custom 54/55/56/58/61/62/63/67/72mm forged pistons for B2B. MOQ 500 pcs. Custom marking & packaging available.
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- Genio Camshaft
Genio T1 Camshaft for Honda BeAT Deluxe, BeAT Street and Scoopy Noken As
- Genio T1 camshaft for Honda Genio 110, BeAT Deluxe 2020+, BeAT Street 2020+ and All New Scoopy 2021+. Wholesale MOQ: 500 pieces.
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- NMAX Camshaft
High Performance NMAX Camshaft – Custom Racing Camshaft for Yamaha NMAX & Aerox &NVX
- Shop high-performance NMAX camshaft for Yamaha NMAX and Aerox models. Customizable camshafts for racing and performance upgrades. Free engraving service available.
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- Honda CG400 Crankshaft
High-Performance CG400 Crankshaft for Honda
- 🏍️ Upgrade your Honda CG400 engine with this high-performance crankshaft! Built from premium alloy steel, it offers maximum durability, optimized balance, and increased power output—perfect for racing and performance tuning.
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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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- Honda Lead 125 Camshafts
High-Performance Lead 125 Camshaft – Power Upgrade for Honda Engines
- Upgrade your Honda with the high-performance Lead 125 Camshaft. Perfect fit for PCX125, Air Blade 125, Click 125i, SH125i, and Vario 125. Wholesale MOQ 500pcs.
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- Yamaha 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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- Honda Forza 350 Racing Camshaft
Honda Forza 350 Camshaft – High Performance Racing Upgrade | Ruizheng Racing
- Honda Forza 350 Camshaft by Ruizheng Racing. High performance racing camshaft upgrade for Honda Forza 350 scooters. Perfect for motorcycle shops, racing teams, and distributors.
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- Honda Lead 125 Camshafts, Racing Motorcycle Camshafts for OEM and Wholesale
Honda Lead Camshaft Blank – Custom Cam Profile
- Honda Lead camshaft blank with unground lobes and machining allowance for custom lift, duration and base-circle development. Surface-hardened wholesale component for Thailand distributors, workshops and OEM/ODM brands. MOQ: 500 pieces.
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