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Big Block Ford 429-460, 8650 chromemoly steel rocker arms

● Roller tip style.
● 8650 chromemoly steel rocker bodies
● Capable of withstanding valve spring loads up to 850lbs
● Poly locks required to match the model
● Wide assortment of ratios to suit almost any cam profile
● Packed in blister and carton
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●The rocker arm is made from 8650 CrMo steel with a black oxide coating with higher strength and rigidity than 4340 steel.
●Centerless grounded Cr40 steel rollers and shafts.
●Heat-hardened and black oxide-coated pushrod cups
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