Comp Cams EXH ROTATOR ELIMINATOR High-Performance Exhaust Salt Spray Test (NSS 72

Salt Spray Test (NSS 72 Hours) and High Temperature Test (NSS 180 Hours) for application bolts

[6-Layer Material Combination] Adopts an upgraded 6-layer material integrated design: cool leather edging

Style TMS Style

Design: OEM factory specification

High-quality

Comp Cams EXH ROTATOR ELIMINATOR High-Performance Exhaust Salt Spray Test (NSS 72Exhaust Rotator Eliminator: Chevrolet Big Block These Big Block Chevrolet seat spacers are . 300? thick and have a 1. 732? O. D. They fit springs with a 1. 468? O. D. and 0. 630? I. D. Late model Big Block Chevrolet engines are originally equipped with exhaust valve rotators. Until now, the only way to make up for the rotator was to stack . 300" of shims under the spring. This was sloppy but also did not fit as well as these seat spacers. These will