Steel Main Caps + Girdle Kit.

Specifications

Description

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. Supplied by Boost Doc, Gympie QLD. Australian made RB and Silvia engine, chassis and cooling parts. Price as published on their own site.

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