All
Manley Ford/Mazda 2.0L/2.3L/2.0L 16pc Valve Spring Kit
$369.99
Manley Ford/Mazda 2.0L/2.3L/2.0L 16pc Valve Spring Kit
-21%
Manley Gen 2 Severe Duty Valves 1.625 Max .3415 Stem
-21%
$465.99
$590.75
Manley Gen 2 Severe Duty Valves 1.625 Max .3415 Stem
-17%
Manley Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)
-17%
$385.99
$462.42
Manley Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)
-17%
Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)
-17%
$385.99
$462.42
Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)
-20%
Manley Gen II Custom Valve E/D Max H/D 2.060 Max O/A Length 6.700
-20%
$745.99
$930.90
Manley Gen II Custom Valve E/D Max H/D 2.060 Max O/A Length 6.700
-6%
Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE
-6%
$108.99
$116.37
Manley Gen II Extreme Duty Custom SS Intake Valve 1.065in Head Dia 4.070in L 0.2345in Stem - SINGLE
-12%
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Set of 4)
-12%
$202.99
$231.22
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)
$64.99
Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)
-13%
Manley Gen II Race Master Series 48.5mm Custom SS Intake Valves (Set of 4)
-13%
$202.99
$234.21
Manley Gen II Race Master Series 48.5mm Custom SS Intake Valves (Set of 4)
Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE)
$66.99
Manley Gen II Race Series 35.0mm Custom SS Intake Valve (SINGLE VALVE)
-20%
Manley Gen II Race Series 37mm Head Dia 121.9mm Length Race Series Exhaust Valves - Set of 8
-20%
$385.99
$484.53
Manley Gen II Race Series 37mm Head Dia 121.9mm Length Race Series Exhaust Valves - Set of 8
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valve (SINGLE VALVE)
$66.99
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valve (SINGLE VALVE)
-21%
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valves - Set of 8
-21%
$398.99
$502.07
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valves - Set of 8
Manley Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE)
$78.99
Manley Gen II Race Series 55.9mm Head Dia 142.2mm Length Severe Duty Intake Valve (SINGLE VALVE)
Manley Gen II Race Series 58.4mm Custom SS Intake Valve - Single
$66.99
Manley Gen II Race Series 58.4mm Custom SS Intake Valve - Single
-4%
Manley GM 6.6L Duramax 6.417in Center-to-Center Pro Series I Beam Connecting Rods
-4%
$3,817.99
$3,966.62
Experience the pinnacle of connecting rod technology with our Pro Series rods, designed for ultimate performance.Superior Materials: These rods are available in two exceptional materials: forged 4340 or 300M vacuum degassed steel alloys, engineered for...
Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit
$748.99
Manley LS and LT Valve Spring Kits provide a complete, engineered solution, ensuring seamless compatibility for higher-lift camshafts and eliminating concerns with mismatched components.NexTek? Valve Springs are manufactured from "super clean" Hi-Tensile Chrome Silicon steel...
Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit
$647.99
Manley LS and LT Valve Spring Kits provide a complete, engineered solution, ensuring seamless compatibility for higher-lift camshafts and eliminating concerns with mismatched components.NexTek? Valve Springs are manufactured from "super clean" Hi-Tensile Chrome Silicon steel...
-1%
Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)
-1%
$523.99
$527.26
Manley GM LS Series Super Finished H.P. Valve Springs .650 Max Lift (16 Pieces)
-3%
Manley GM LSX Tall Deck Pro Series I Beam Connecting Rod Set
-3%
$2,579.99
$2,673.27
Experience the pinnacle of connecting rod technology with our Pro Series rods, designed for ultimate performance.Superior Materials: These rods are available in two exceptional materials: forged 4340 or 300M vacuum degassed steel alloys, engineered for...
Manley Groove Lock Spacers 4.060in to 4.080in Bore 3mm Width (Set of 8)
$67.99
Manley Groove Lock Spacers 4.060in to 4.080in Bore 3mm Width (Set of 8)
Manley Groove Lock Spacers 4.090in to 4.100in Bore 3mm Oil Ring Width (Set of 8)
$67.99
Manley Groove Lock Spacers 4.090in to 4.100in Bore 3mm Oil Ring Width (Set of 8)
-6%
Manley Hemi 5.7/6.1/6.4L 6.125 Steel H Tuff Connecting Rods w/ ARP2000 Rod Bolts - Set of 8
-6%
$1,351.99
$1,432.92
Exacting Tolerances: Our H-Beam rods are finished to exacting tolerances to ensure precision and performance.Attention to Detail: Every aspect, from final hone size to thread detail, bend, and twist, is treated with utmost seriousness to...