These have passed testing with flying colors. Installation is easy; The stock inner sleeve is re-used and the outer sleeve is cut out, eliminating the need for burning any of the old bushing out. The price will be $30 shipped for a set, or $25 and shipped with new purchases of the trans isolator and engine isolators (at the same time only). This means you can now replace everything relating to engine and manual transmission mounting in a Z31 with direct fit high performance poly parts for $224 delivered to your door.





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