Nitrous Distribution Block, 1 In 4 Out - 1/8" NPT Standard Block, Black 1983-pontiac-firebird-esi2278290 These 1212 rockers feature a

These 1212 rockers feature a 1

and smaller competition engines

To correct the clearance issue to the pulley

but once you lower your car

The Edelbrock #60575 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles

Nitrous Distribution Block, 1 In 4 Out - 1/8" NPT Standard Block, Black 1983-pontiac-firebird-esi2278290 These 1212 rockers feature aNitrous Distribution Block, 1 In 4 Out 1 8" NPT Standard Block, Black NOS Distribution Blocks are precision machined to help distribute balanced amounts of nitrous and fuel to each intake port. All NOS Distribution Blocks use 1 8" NPT "in" and are available with 1 8" NPT or 1 16" NPT "out." Fittings must be ordered separately.