55-91 SBC Copper Seal Exhaust Gasket, Round Port/Square Port/Large Race Port 1949 GMC Truck supplied with shallow bore adapter

supplied with shallow bore adapter to fit both power and manual brake boosters with 3-3/8" center-to-center stud spacing

Features a 1" bore size

Aluminum Small Block Chevy 350 SWP High Mount A/C Bracket

Aluminum 1958-79 Big Block Chrysler 361-440 Water Pump

“OBSIDIAN ”

55-91 SBC Copper Seal Exhaust Gasket, Round Port/Square Port/Large Race Port 1949 GMC Truck supplied with shallow bore adapter55 91 SBC Copper Seal Exhaust Gasket, Round Port 1. 5" 55 91 SBC Copper Seal Exhaust Gasket, Square Port 1. 45" X 1. 48" 55 91 SBC Copper Seal Exhaust Gasket, Round Port 1. 63" 55 91 SBC Copper Seal Exhaust Gasket, Large Race Port 1. 45" X 1. 55"