Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.040in O/A Length, 0.2740in Stem - 11235-8

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,...

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11234H-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,...

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11234-8

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,...

Manley Chevrolet Small Block Intake Valve Kit - 1.940in Head Dia. 5.010in O/A Length, 0.3110in Stem - 11230-8

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,...

Manley Nissan 3.0L RB30E Exhaust Valve Kit - 36.10mm Head Dia. 124.59mm O/A Length, 0.3136in Stem - 11187-6

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...

Manley Nissan 3.0L RB30E Exhaust Valve Kit - 35.10mm Head Dia. 124.59mm O/A Length, 0.3136in Stem - 11185-6

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...

Manley Nissan 3.0L RB30E intake Valve Kit - 43.10mm Head Dia. 125.68mm O/A Length, 0.2750in Stem - 11184-6

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...

Manley Nissan 3.0L RB30E intake Valve Kit - 42.10mm Head Dia. 125.68mm O/A Length, 0.2750in Stem - 11182-6

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...

Manley Nissan 4.8L VTC intake Valve Kit - 40.50mm Head Dia. 100.21mm O/A Length, 0.2740in Stem - 11180-12

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...

Manley Nissan 4.8L VTC intake Valve Kit - 40.00mm Head Dia. 100.21mm O/A Length, 0.2740in Stem - 11176-12

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...

Manley Toyota 4.5L 1FZ-FE Exhaust Valve Kit - 34.00mm Head Dia. 99.00mm O/A Length, 0.2740in Stem - 11173-12

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...

Manley Toyota 4.5L 1FZ-FE intake Valve Kit - 40.00mm Head Dia. 100.00mm O/A Length, 0.2740in Stem - 11172-12

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...