The Royal Enfield Genuine Exhaust Mounting Stud (Part No. 1570459/C) is a factory-original engine hardware component engineered explicitly for the modern J-Series 350cc SOHC engine platform. Screwed directly into the exhaust port exit of the aluminum cylinder head, this high-tensile threaded stud serves as the heavy-duty structural anchor point used to clamp the exhaust header pipe pipe-flange tightly against the engine block.
Manufactured with specialized, heat-treated high-grade structural steel alloy, this genuine stud is engineered to withstand extreme thermal expansion cycles and continuous exhaust system vibration without loosening or fatiguing. Utilizing the authentic 1570459/C mounting stud guarantees exact factory thread pitches on both ends. This prevents stripping the soft internal aluminum cylinder head threads, snapping under high torque loads, or causing dangerous exhaust gas leaks common with cheap, non-standard local replacement bolts.
Key Features:
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100% Genuine J-Series Factory Hardware: Authentic factory-original engine chassis mounting component built to strict OEM layout tolerances.
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Extreme Heat Tolerant Metallurgy: Forged from high-tensile steel designed to endure intense cylinder head temperatures without losing structural clamping strength.
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Dual-Threaded Precision Layout: Engineered with precise thread specifications ensuring a permanent, secure lock inside the cylinder head while allowing clean removal of outer nuts.
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Anti-Corrosive Shielding Finish: Pre-treated with a protective factory coating that resists rust scaling and seizing due to continuous exposure to rain, road mud, and hot exhaust gasses.
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Prevents Exhaust Port Leaks: Provides rock-solid, uniform clamping pressure across the exhaust header flange to keep the engine exhaust circuit completely sealed.
Technical Specifications:
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Brand: Royal Enfield Genuine
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Part Number: 1570459/C
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Component: Stud, Exhaust Mounting / Cylinder Head Exhaust Stud Bolt
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Engine Platform: Next-Gen J-Series 350cc SOHC
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Material: Heat-Treated High-Strength Structural Steel Alloy
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Country of Origin: India
Motorcycle Compatibility
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Royal Enfield Classic 350 (Next-Generation J-Series / Reborn Models, 2021-Present)
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Royal Enfield Meteor 350 (All J-Series Variants)
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Royal Enfield Hunter 350 (All Variants Retro / Metro)
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Royal Enfield Bullet 350 (New Generation J-Series Engines)












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