Browse our full selection of Manley Performance parts, performance upgrades, and accessories. We carry 210+ Manley Performance products for cars, trucks, Jeeps, and SUVs. Whether you're looking for performance upgrades or OE-quality replacements, find what you need from Manley Performance right here.
Manley Performance
Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.344in O/A Length, 0.3715in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem
$148.39
$197.85
In stock
Manley Performance
Manley Valve Lock/Keeper, LOC-TI 8 deg PRO 900 .2754 +.050
$143.97
$159.97
In stock
Manley Performance
Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.940in O/A Length, 0.3415in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2000
$1,443.38
In stock
Manley Performance
Manley Chevy LS-1, LS-2 Small Block 1.550 Pro Flo Severe Duty Exhaust Valves (Set of 8)
$301.07
$401.42
In stock
Manley Performance
Manley 94-98 Toyota Supra 3.0L I/L 6cyl (2JZGE-2JZGTE) DOHC 24 Exhaust 30mm Stainless Race Master V
$313.55
$395.90
In stock
Manley Performance
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.350in O/A Length, 0.3715in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Chevrolet Small Block Intake Valve Kit - 2.000in Head Dia. 4.911in O/A Length, 0.3415in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Chevrolet Small Block H-Beam Connecting Rod Set - 6.000in Length
$796.38
$884.87
In stock
Manley Performance
Manley Chevrolet 409intake Valve Kit - 2.200in Head Dia. 5.105in O/A Length, 0.3715in Stem
$188.69
$251.58
In stock
Manley Performance
Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem
$311.48
$415.30
In stock
Manley Performance
Manley Chevrolet LS Piston Set - 4.185in Bore 1.315in CH, -31.00 CC
$889.40
$1,046.35
Only 1 unit left
Manley Performance
Manley Ford 429 Boss Exhaust Valve Kit - 1.900in Head Dia. 5.650in O/A Length, 0.3715in Stem
$188.69
$251.58
Sold out
Manley Performance
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem
$188.69
$251.58
Sold out
Manley Performance
Manley Chevrolet LS Piston Set - 4.130in Bore 1.115in CH, -5.00 CC
$889.40
$1,046.35
Sold out
Manley Performance
Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8)
$188.69
$251.58
Sold out
Manley Performance
Manley Chevrolet LS Piston Set - 4.080in Bore 1.065in CH, -10.00 CC
$889.40
$1,046.35
Sold out
Manley Performance
Manley Chevrolet 409 Exhaust Valve Kit - 1.750in Head Dia. 5.105in O/A Length, 0.3715in Stem
$188.69
$251.58
Sold out
Manley Performance
Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.365in O/A Length, 0.3415in Stem
$188.69
$251.58
Sold out