Yella Terra Lock Nut Included Rocker Arm Adjuster - Yella Terra (Set of 4) PAC-R553-16 The Street Series Performance Exhaust

The Street Series Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound

1974-1979 Pontiac Firebird

A3000 Pressure Regulator P/N 11218

73 Ratio and Down

289-302 V8s require Head Bolt Bushings #9680 and either Head Bolt Kit #8552 (7/16") or stock head bolts

Yella Terra Lock Nut Included Rocker Arm Adjuster - Yella Terra (Set of 4) PAC-R553-16 The Street Series Performance ExhaustProduct Description: Rocker Arm Adjuster Lock Nut Included Steel Yella Terra Set of 4 Yella Terra has been making hi performance products that have been winning championships, lowering ETs, increasing MPHs and burning up tarmacs for more than 45 years. Yella Terra products are hard core, suited to racers, motor heads and enthusiasts who want to nail it off the line, and marine junkies who like to wind it out on the water, and know that the parts they