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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1095 products

Sale 4%
Manley Honda 1.6L D16Y5 Exhaust Valve Kit - 26.00mm Head Dia. 115.95mm O/A Length, 0.2150in Stem
Manley Honda 1.6L D16Y5 Exhaust Valve Kit - 26.00mm Head Dia. 115.95mm O/A Length, 0.2150in Stem
Manley Performance

Manley Honda 1.6L D16Y5 Exhaust Valve Kit - 26.00mm Head Dia. 115.95mm O/A Length, 0.2150in Stem

955.99 SAR 955.99 SAR 995.62 SAR
Sale 10%
Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.600 Head Diameter Race Flo Exhaust Valves
Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.600 Head Diameter Race Flo Exhaust Valves
Manley Performance

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.600 Head Diameter Race Flo Exhaust Valves

854.99 SAR 854.99 SAR 949.04 SAR
Sale 10%
Manley Pontiac 400intake Valve Kit - 2.110in Head Dia. 5.100in O/A Length, 0.3415in Stem
Manley Pontiac 400intake Valve Kit - 2.110in Head Dia. 5.100in O/A Length, 0.3415in Stem
Manley Performance

Manley Pontiac 400intake Valve Kit - 2.110in Head Dia. 5.100in O/A Length, 0.3415in Stem

854.99 SAR 854.99 SAR 949.04 SAR
Sale 10%
Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.575 Head Diameter Race Flo Exhaust Valves
Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.575 Head Diameter Race Flo Exhaust Valves
Manley Performance

Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.575 Head Diameter Race Flo Exhaust Valves

854.99 SAR 854.99 SAR 949.04 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem

1,362.99 SAR 1,362.99 SAR 1,514.28 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.240in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.240in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.240in O/A Length, 0.3110in Stem

1,362.99 SAR 1,362.99 SAR 1,514.28 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.140in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.140in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.140in O/A Length, 0.3110in Stem

1,362.99 SAR 1,362.99 SAR 1,514.28 SAR
Manley Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)
Manley Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)
Manley Performance

Manley Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)

1,222.99 SAR 1,222.99 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.240in O/A Length, 0.3110in Stem

916.99 SAR 916.99 SAR 1,018.75 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.640in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.640in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.640in O/A Length, 0.3110in Stem

916.99 SAR 916.99 SAR 1,018.75 SAR
Sale 10%
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem
Manley Performance

Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.540in O/A Length, 0.3110in Stem

916.99 SAR 916.99 SAR 1,018.75 SAR
Sale 4%
Manley 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va
Manley 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va
Manley Performance

Manley 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va

955.99 SAR 955.99 SAR 995.62 SAR