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Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8
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Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single
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Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8)
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Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8)
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Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8)
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Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8)
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Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8)
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Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8)
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Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8)
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Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8)
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Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8)
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Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8)
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Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8)
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Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8)
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Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8)
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Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8)
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Manley Chevrolet LT1 6.2L 2.120in Head Diameter Race Flo Intake Valves (Set of 8)
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About Pure Auto Performance
Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.
We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

