Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.244in O/A Length, 0.3110in Stem
$395.52
$296.64
MAN12802-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3110in Stem
$395.52
$296.64
MAN12780-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12773-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12745-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12743-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12741-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8
$652.80
$489.59
MAN12739-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single
$81.60
$61.19
MAN12739-1
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12737-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12627B-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12627-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8)
$652.80
$489.59
MAN12623B-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12623-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem
$246.27
$184.70
MAN12367-8
Engine
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem
$246.27
$184.70
MAN12366-8
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem
$246.27
$184.70
MAN12365-8
Engine
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem
$246.27
$184.70
MAN12364-8
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12363-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8)
$382.30
$286.72
MAN12361-8
Engine
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single)
$47.79
$35.84
MAN12361-1
Engine
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem
$239.60
$179.69
MAN12359-8
Engine
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8)
$395.52
$296.64
MAN12358-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single)
$49.44
$37.09
MAN12358-1
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12357-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley 94-97 Chevy 5.3L LS/L83 1.930 Head Diameter Pro Flo Intake Valves (Set of 8)
$239.60
$179.69
MAN12356-8
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8)
$382.30
$286.72
MAN12355-8
Engine
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem
$881.51
$661.13
MAN12354H-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single)
$110.18
$82.64
MAN12354H-1
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8)
$382.30
$286.72
MAN12354-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8)
$257.20
$192.91
MAN12353-8
Engine
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8)
$395.52
$296.64
MAN12352-8
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single)
$49.44
$37.09
MAN12352-1
Engine Components
Motor Builds
Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem
$652.80
$489.59
MAN12351-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem
$716.57
$537.42
MAN12350H-8
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8)
$257.20
$192.91
MAN12350-8
Engine Components
Motor Builds
Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8)
$652.80
$489.59
MAN12349-8
Engine
Engine Components
Motor Builds
Valves
Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine...
