quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3415in Stem - 11780-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12842-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in O/A Length, 0.3415in Stem - 11816-8 MSRP: $239.60 $179.69 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 Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in O/A Length, 0.3715in Stem - 11728-8 MSRP: $239.60 $179.69 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 Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.433in O/A Length, 0.3720in Stem - 11536-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.444in O/A Length, 0.3110in Stem - 12784-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.513in O/A Length, 0.3720in Stem - 11570-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12878-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12838-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.509in O/A Length, 0.3415in Stem - 11838-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 6.590in O/A Length, 0.3415in Stem - 11580-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.350in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12880-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Intake Valve Kit - 2.400in Head Dia. 6.600in O/A Length, 0.3415in Stem - 11582-8 MSRP: $395.52 $296.64 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 Chevrolet Big Block Piston Set - 4.500in Bore 1.120in CH, 43.00 CC - 697900-8 MSRP: $1,008.62 $857.33 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series... Add to Wish List Add to My Wish List Create New Wish List Compare
quick view Manley Performance Manley Chevrolet Big Block Piston Set - 4.500in Bore 1.245in CH, 43.00 CC - 697600-8 MSRP: $1,008.62 $857.33 2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series... Add to Wish List Add to My Wish List Create New Wish List Compare