Products
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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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- GY6 Crankshaft
GY6 Custom Crankshaft | Kymco QMI152 / QMJ152 / 157QMB
- Custom Kymco GY6 crankshaft (Kruk As) for QMI152, QMJ152 and 157QMB scooter applications. Confirmed Stroker options: 3 mm, 8.2 mm, 10.20 mm and 14 mm. Kruk As Custom Stroke OEM/ODM projects are quote-only.
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- GY6 150cc & 200cc Racing Camshaft
GY6 Tank Camshaft for GY6-B / GY7 / 161QMK 200cc EFI Engines
- Performance camshaft (Noken As) for GY6-B, GY7 and 161QMK 200cc EFI engines. Available in +0.5 and +0.7 options for Tank 200 and compatible scooters.
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- Honda CG400 Crankshaft
High-Performance CG400 Crankshaft for Honda
- High-performance CG400 crankshaft (Kruk As) for Honda CG400 engine rebuilds 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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- Honda Lead 125 Camshafts
High-Performance Lead 125 Camshaft – Power Upgrade for Honda Engines
- Upgrade your Honda with the high-performance Lead 125 Camshaft (Noken As). 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 (Noken As). 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 (Noken As) 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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- Genio Camshaft
Honda Genio T1 Racing Camshaft – Noken As Genio
- Honda Genio T1 racing camshaft for performance engine builds. Noken As Genio with reference profile values 229/235, 7.55/7.80 and 28°. Custom camshaft projects by quotation.
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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 (Noken As) 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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- Lead Crank Pin
Honda LEAD125 4V Stroker Crank Pin | Ø30 × 44.3 mm
- Honda LEAD125 4V stroker crank pin: Ø30 × 44.3 mm with +2 mm or +3 mm offset. Offset +2 mm corresponds to +4 mm stroke. Custom specifications by quotation.
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