Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 MSRP: $652.80 Was: Now: $490.74 Add to Cart
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 MSRP: $239.60 Was: Now: $180.12 Add to Cart
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 MSRP: $881.51 Was: Now: $662.67 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 MSRP: $652.80 Was: Now: $490.74 Add to Cart
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 MSRP: $716.57 Was: Now: $538.68 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $382.30 Was: Now: $287.39 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $239.60 Was: Now: $180.12 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12328-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12324-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12322-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12320-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem - 12737-8 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:... MSRP: $652.80 Was: Now: $490.74 Add to Cart
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.50mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12367-8 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... MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.50mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12366-8 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... MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE Exhaust Valve Kit - 32.00mm Head Dia. 110.62mmmm O/A Length, 0.2155in Stem - 12365-8 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... MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Toyota 5.7L 3UR-FE intake Valve Kit - 38.00mm Head Dia. 106.05mm O/A Length, 0.2155in Stem - 12364-8 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... MSRP: $246.27 Was: Now: $185.13 Add to Cart
Manley Chevrolet 5.3L L83 Exhaust Valve Kit - 1.560in Head Dia. 5.208in O/A Length, 0.3136in Stem - 12359-8 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... MSRP: $239.60 Was: Now: $180.12 Add to Cart
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 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,... MSRP: $881.51 Was: Now: $662.67 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12351-8 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:... MSRP: $652.80 Was: Now: $490.74 Add to Cart
Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 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... MSRP: $716.57 Was: Now: $538.68 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 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,... MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 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,... MSRP: $382.30 Was: Now: $287.39 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 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,... MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 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... MSRP: $239.60 Was: Now: $180.12 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12336-8 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,... MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12334-8 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,... MSRP: $395.52 Was: Now: $297.32 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12328-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12324-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12322-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12320-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 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... MSRP: $257.20 Was: Now: $193.35 Add to Cart
