quick view Add to Cart Manley Performance Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Ford 427 (Medium/Hi Riser/Tunnel Port) 2.250 Dia Dish Severe Duty Intake Valves (Set of 8) - 11804-8 MSRP: $907.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Big Block Chevrolet Extreme Duty Intake Valve 2.3in. Head Dia / .3415in. Stem Dia - Set of 8 - 11784-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley SBC 2.020 Severe Duty Intake Valves (Set of 8) - 11544-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevrolet Big Block Severe Duty/Pro Flo 5.325in O/A Length Intake Valves (Set of 8) - 11530-8 MSRP: $829.99 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. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8) - 11279-8 MSRP: $902.99 Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8) Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8) - 11274-8 MSRP: $967.99 Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8) Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley 93-98 Toyota Land Cruiser 4.5L (1FZ-FE) 33.5mm Race Master Exhaust Valves - Set of 12 - 11191-12 MSRP: $1,087.99 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 stems and hard tips are incorporated for enhanced longevity... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Toyota Land Cruiser 4.5L (1FZ-FE) DOHC 24 Valve 33.5mm Race Master Exhaust Valves (Set of 24) - 11189-12 MSRP: $1,087.99 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 stems and hard tips are incorporated for enhanced longevity... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare