Description
MRP 4age Main Reinforcement Caps (aka ladder caps)
These will strengthen up your main caps when using high RPM or high HP applications.
Very simple mod which can save your engine at minimal cost
Specs:
5 caps
4140 Chromoly Steel
Nickel-Phosphorus Plated
Full radius on the top side to relief any stress
Fits only with 4age ARP Main studs



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