Manley Chevrolet Big Block Severe Duty/Pro Flo 5.325in O/A Length Intake Valves (Set of 8)
$395.52
$296.64
MAN11530-8
Engine Components
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 Small Block 1.940in Head Diameter Race Flo Intake Valves (Set of 8)
$239.60
$179.69
MAN11522-8
Engine Components
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 1.940in Head Diameter Race Flo Intake Valves (Single)
$29.94
$22.45
MAN11522-1
Engine Components
Special Offer
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 Small Block Chevy 1.500in Head Diameter Race Flo Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11521-8
Engine Components
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 Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11517-8
Engine Components
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 Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)
$239.60
$179.69
MAN11514-8
Engine Components
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 Small Block Chevy 3/8in Stem Diameter Race Flo Intake Valves (Set of 8)
$239.60
$179.69
MAN11506-8
Engine Components
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 Chrysler 440-1 Indy Cylinder Heads Race Master Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11381-8
Engine Components
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 Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11317-8
Engine Components
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 LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)
$461.33
$345.99
MAN11274-8
Engine Components
Valves
Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)
Manley Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)
$353.23
$264.93
MAN11217-8
Engine Components
Valves
Manley Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)
Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8)
$382.30
$286.72
MAN11520-8
Engine Components
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 426 HEMI 2.250 Intake .310inch Stem 5.490inch Length Stainless Intake Valves (Set of 8)
$257.20
$192.91
MAN11518-8
Engine Components
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 Big Block Chevrolet 1.900 Diameter Stock Length Extreme Duty Exhaust Valves - Set of 8
$652.80
$489.59
MAN11507-8
Engine Components
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 1.900 Diameter Stock Length Extreme Duty Exhaust Valve (Single Valve)
$81.60
$61.19
MAN11507-1
Engine Components
Special Offer
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 Chrysler 440-1 Indy Cylinder Heads 2.250 Dia Race Master Intake Valves (Set of 8)
$239.60
$179.69
MAN11382-8
Engine Components
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 Pontiac 400-428-455 1.770 Race Master Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11355-8
Engine Components
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 Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)
$257.20
MAN11347-8
Engine Components
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 Chrysler 426 Hemi Race Master Exhaust Valves (Set of 8)
$239.60
$179.69
MAN11317B-8
Engine Components
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 LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8)
$430.39
$322.79
MAN11279-8
Engine Components
Valves
Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8)
Manley Gen II Custom Valve E/D Max H/D 2.060 Max O/A Length 6.700
$700.72
$525.56
MAN11277-8
Engine Components
Valves
Manley Gen II Custom Valve E/D Max H/D 2.060 Max O/A Length 6.700
Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)
$366.02
$274.52
MAN11269-8
Engine Components
Valves
Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)
Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE)
$45.75
$34.31
MAN11266-1
Engine Components
Special Offer
Valves
Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE)
Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE
$86.30
$64.72
MAN11265TF-1
Engine Components
Special Offer
Valves
Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE
Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8)
$382.30
$286.72
MAN11232-8
Engine Components
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 Small Block Severe Duty Valves (Set of 8)
$382.30
$286.72
MAN11231-8
Engine Components
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 Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE)
$57.66
$43.25
MAN11226-1
Engine Components
Special Offer
Valves
Manley Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE)
Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)
$353.23
$264.93
MAN11216-8
Engine Components
Valves
Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Set of 4)
$176.62
$132.47
MAN11211-4
Engine Components
Valves
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Set of 4)
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)
$44.15
$33.10
MAN11211-1
Engine Components
Special Offer
Valves
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)
