quick view Add to Cart Manley Performance Manley Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 MSRP: $489.59 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... 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-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8 MSRP: $489.59 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevy LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 MSRP: $286.72 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,... Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevy LS-3/L-99 (L-92 Head) Small Block Race Flo Intake Valves (Set of 8) - 11620-8 MSRP: $192.91 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... 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-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valve - Single - 11621-1 MSRP: $24.11 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... 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-3/L-99 (L-92 Head) Small Block Race Master Exhaust Valves (Set of 8) - 11621-8 MSRP: $257.20 $192.91 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... 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-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-8 MSRP: $661.13 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,... 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-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 MSRP: $489.59 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... 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-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 MSRP: $286.72 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,... 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-3/L-99 Small Block Severe Duty Exhaust Valves (Set of 8) - 11661-8 MSRP: $286.72 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,... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevy LS-6 Head Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11677-8 MSRP: $286.72 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,... Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevy LS-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 MSRP: $489.59 Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:... Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Add to Cart Manley Performance Manley Chevy LS-7 Small Block Severe Duty/Pro Flo Exhaust Valves (Set of 8) - 11679-8 MSRP: $382.30 $286.72 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,... 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-7 Small Block Severe Duty/Pro Flo Intake Valves (Set of 8) - 11688-8 MSRP: $382.30 $286.72 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,... 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/LT1/LT4 Valve Spring and Titanium Retainer Kit (w/ Valve Locks) - 26351148KS MSRP: $896.24 Manley Chevy LS/LT1/LT4 Valve Spring and Titanium Retainer Kit (w/ Valve Locks) Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare