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Jet boat with A or B impeller. Skiing, pleasure, performance.
2,800-6,300 RPM Operating Range
242/250 Duration at .050". 110 Degree Lobe Separation Angle. 0.575"/0.604" Valve Lift
Great high RPM power - Best with aftermarket torque converters and at least 9.51 compression.
Easy on valvetrain parts - Can be used with mild ratio rocker arms and traditional performance valve springs.
Fits Chevrolet 396-454 Mark IV Big Block
Made in USA
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
