Scorpion Race Series Rocker Arm 5/16" Pedestal Mount 1.73 Ratio Full Roller - Aluminum CS-NITRO-ADPT-2 PRO 1 heads can be

PRO 1 heads can be used with off-the-shelf pistons

Austin / MG / Triumph 4-Cylinder / Lucas 4-Cylinder Distributors

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490 in Bore

if not all

Scorpion Race Series Rocker Arm 5/16" Pedestal Mount 1.73 Ratio Full Roller - Aluminum CS-NITRO-ADPT-2 PRO 1 heads can be1. 73 Ratio BB Ford 5 16 Stud V 8 429 460 315M 400 Pedestal Blue Race Series Rocker Arm Set of 16 Lightweight 7000 series aerospace grade aluminum body Anodized for protection and durability handle . 950'' lift and 950 lbs. open spring pr Affordable, durable blue anodized rocker arms feature rollerized, needle bearing fulcrum assemblies, wide contact roller tips and locking nuts. Sold in sets of 16. 1. 73 Ratio BB Ford 5 16 Stud V 8 429 460 315M 400