Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.040in O/A Length, 0.3110in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 5.065in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.040in O/A Length, 0.2740in Stem
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Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem
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Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.165in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem
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Manley Chevrolet Small Block Exhaust Valve Kit - 1.500in Head Dia. 4.911in O/A Length, 0.3415in Stem
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Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8)
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Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Master 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 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 Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust 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 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8)
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Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valves (Set of 8)
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Manley Chevy Small Block 1.500 Dia Race Master Exhaust 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.

