This 3.4" tall billet spin-on filter has 3/4" -16 threads and a standard size O-ring. Like all CM filters it features a billet aluminum body built for strength and durability for a lifetime of use. Heat sink ribs add to filter's functionality and aggressive aesthetic. The filters bottom cap is easily removed with four bolts for filter element inspection and replacement. A CM 2-1/4" tall synthetic fiber filter element which flows 12 GPM of hot engine oil with no loss of pressure and filters down to 8 microns comes preinstalled.