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MANLEY 11509-8 Exhaust Valve Kit Race Series (1.880" Head Dia., 5.422" O/A Length, 0.3715" Stem) for CHEVROLET Big Block ymm_23 650˝ Thread Diameter-Pitch 3/8-24 Grip ymm_23

SKU 62914813776 · ★ 4.6

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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Oct 4 - Oct 9

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Description

MANLEY 11509 8 Exhaust Valve Kit Race Series (1.880" Head Dia., 5.422" O A Length, 0.3715" Stem) for CHEVROLET Big Block ymm_23 650˝ Thread Diameter Pitch 3 8 24 Grip ymm_23 650˝ Thread Diameter Pitch 3 8 24 Grip Diameter 3 8˝ Wrenching 7 16˝ Head Height 0 Specifications Socket Size(s) 14mm hex UHL 40mm Thread Length 30mm Grip Length 10mm Thread Diameter Spacing M12 x 1 Swirl polished underhead areas and fully machined combustion faces optimize Airflow and combustion efficiency Recommended for Alcohol Engines: These valves are recommended for exhaust valves in alcohol engines

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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