Traditional incandescent lighting illuminates around the perimeter of the dial 1983-pontiac-firebird-esi2278290 Valve Cover and Spark Plug

Valve Cover and Spark Plug Tubes for 1 Head

The 4140 CrMo adjustment boss and hex adjuster is built in-house so we can control the quality

8" Rear Width

CP at 150 degree C

Traditional incandescent lighting illuminates around the perimeter of the dial 1983-pontiac-firebird-esi2278290 Valve Cover and Spark PlugMechanical boost gauges have become the staple in boost pressure monitoring for all types of engines, gasoline, diesel, or otherwise. Ultra precise bourdon tube meter movement ensures accuracy and durability not seen anywhere else in the industry. A simple 1 8" NPT pressure connection requires no electrical hookup for operation. Includes 1 8" NPT fittings and nylon line kit.