Lower Collar .725"66-77Bt 20-2111Lower CollarsMade of heat treated steel Machined to fit . 725" seal and . 565" valve guide Lower collar is counter bored to allow for greater retainer to seal clearance Made in the U. S. A. Will fit '66 'E79 models with 0. 5650" guides.
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols
product description
Why choose thelockerguy wholesale?
Lower Collars
Made of heat-treated steel
Machined to fit .725" seal and .565" valve guide
Lower collar is counter bored to allow for greater retainer-to-seal clearance