Valves

Discover our premium selection of engine valves designed to optimize airflow, improve combustion, and handle extreme heat and pressure.
We offer both intake and exhaust valves made from high-performance materials — ideal for naturally aspirated, turbocharged, or supercharged engines.

Available for LS, HEMI, Coyote, and more — trusted by engine builders and racers around the world.

🔧 Precision-machined for durability and flow
⚙️ Compatible with OEM and aftermarket cylinder heads
🏁 Perfect for performance builds and high-RPM applications

Find the right parts for your vehicle easily by selecting the make, model, and year.
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804 products

Sale 14%
Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem
Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem
Manley Performance

Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in O/A Length, 0.3415in Stem

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve Set of 8
Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve Set of 8
Manley Performance

Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve Set of 8

768.99 SAR 768.99 SAR 898.59 SAR
Sale 15%
Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve (Single)
Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve (Single)
Manley Performance

Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O/A Length .3715 Stem Race Flo Valve (Single)

95.99 SAR 95.99 SAR 112.29 SAR
Sale 14%
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem
Manley Performance

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Ford 289 Exhaust Valve Kit - 1.465in Head Dia. 5.080in O/A Length, 0.3415in Stem
Manley Ford 289 Exhaust Valve Kit - 1.465in Head Dia. 5.080in O/A Length, 0.3415in Stem
Manley Performance

Manley Ford 289 Exhaust Valve Kit - 1.465in Head Dia. 5.080in O/A Length, 0.3415in Stem

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8)
Manley Performance

Manley Chevy Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8)

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Small Block Chevy 1.500in Head Diameter Race Flo Exhaust Valves (Set of 8)
Manley Small Block Chevy 1.500in Head Diameter Race Flo Exhaust Valves (Set of 8)
Manley Performance

Manley Small Block Chevy 1.500in Head Diameter Race Flo Exhaust Valves (Set of 8)

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8)
Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8)
Manley Performance

Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8)

1,225.99 SAR 1,225.99 SAR 1,433.77 SAR
Sale 14%
Manley 426 HEMI 2.250 Intake .310inch Stem 5.490inch Length Stainless Intake Valves (Set of 8)
Manley 426 HEMI 2.250 Intake .310inch Stem 5.490inch Length Stainless Intake Valves (Set of 8)
Manley Performance

Manley 426 HEMI 2.250 Intake .310inch Stem 5.490inch Length Stainless Intake Valves (Set of 8)

824.99 SAR 824.99 SAR 964.60 SAR
Sale 14%
Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8)
Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8)
Manley Performance

Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8)

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)
Manley Performance

Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)

768.99 SAR 768.99 SAR 898.59 SAR
Sale 14%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.465in O/A Length, 0.3415in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.465in O/A Length, 0.3415in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.465in O/A Length, 0.3415in Stem

1,225.99 SAR 1,225.99 SAR 1,433.77 SAR