Manley Toyota 6.0mm OEM Radius Sport Compact Valve Lock (Single Valve Lock) - 13014-1

Manley Toyota 6.0mm OEM Radius Sport Compact Valve Lock (Single Valve Lock)This Part Fits:YearMakeModelSubmodel1993-2005LexusGS300Base

Manley Nissan 6.0mm OEM Radius Sport Compact Valve Locks (8 pair) - 13012-8

Manley Nissan 6.0mm OEM Radius Sport Compact Valve Locks (8 pair)This Part...

Manley Honda/Acura 5.5mm OEM Radius Sport Compact Valve Locks (8pc) - 13010-8

Manley Honda/Acura 5.5mm OEM Radius Sport Compact Valve Locks (8pc)This Part...

Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter Set of 8 - 12739-8

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:...

Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1

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:...

Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-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:...

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8

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:...

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-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:...

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8

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:...

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

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:...

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8

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 Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1

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,...