Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 Add up to 25-50 HP

Add up to 25-50 HP with PROFORMs 100% NEW

Upgrade your Double Pumper with race-ready billet metering blocks

The BMR MM007 motor mounts allow you to lower the engine for extra underhood clearance

and adding cornering consistency to your 2010-2015 Chevrolet Camaro or Pontiac G8 is easy with polyurethane trailing arm bushings from BMR Suspension

this kit offers a high-performance upgrade for your vehicle’s suspension system

Manley Valve - Exhaust, Valve-BBC BRODIX 383 S/D 1.850 1987-pontiac-firebird-esi3246161 Add up to 25-50 HPManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just