Chev Bowtie Proform Slant Edge Aluminum Breather Caps # 141-855 Rate_40 there is an adjustable slip

there is an adjustable slip collar to make up for engines that have had the distance between the mounting surface and the gear modified

Lock Style:

Biscayne Front Lower1971

302 351W small block engines installed

Ford Mustang Falcon 60 - 66 Energy Suspension Front Strut Rod Bushings # 4-7111G

Chev Bowtie Proform Slant Edge Aluminum Breather Caps # 141-855 Rate_40 there is an adjustable slipChev Bowtie Proform Slant Edge Aluminum Breather Caps # 141 855 Slant Edge AluminumPush In Air Breather Cap Polished; Recessed Red Bowtie Emblem Fits Hole Size 1. 22"; 2. 5" Diameter Features: Push In Style; Patented Slant Edge Design (U. S. D905,114) Reflective Polished Finish Made from High Quality Die Cast Aluminum Recessed Red Bowtie Logo on Top Fits 1. 22 Inch Valve Cover Hole 3 in. Tall 2. 25 in. Diameter Grommet Not Included Officially Licensed