Steel Main Caps + Girdle Kit.
If your RB requires a stout bottom end, steel main caps and girdle brace kit is a must.
☆ block requires line bore
☆ upgraded ARP studs recommended, M12 or 1/2", not included.
☆ Girdle brace is available in AWD & 2WD.
☆ AWD versions require a custom oil pick up tube (not included)
☆ block, oil pump & rear main seal require machine work for girdle to sit true.
Shipping cost is based on weight and destination. Just add products to your cart and use the Shipping Calculator to see the shipping price.
Boost Doc prides itself on customer service, and we want happy customers and will provide a repair, replacement or refund for faulty products.
We will not refund if you simply changed your mind, found it cheaper somewhere else, decided you did not like the purchase or had no use for it.
But you can choose a refund or replacement if an item is found to be faulty.
