Supertech Nissan SR20DET/RB26 7mm Stem Manganese Bronze .001in OS Exhaust Valve Guide - Set of 12 turn14-atp developing exhaust back pressure in

developing exhaust back pressure in the engines combustion chamber which creates resistance against the piston from reaching top dead center

Dyno Proven gains of up to 10 hp and 24 lb-ft

minimizing concerns of breakthrough when port matching

Brembo 89-93 348/94-99 F355 Rear GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-Red

Water/methanol injection for forced induction (turbocharged or supercharged) gas-powered race engines is a proven means for effectively reducing engine inlet air temperatures and suppressing harmful detonation

Supertech Nissan SR20DET/RB26 7mm Stem Manganese Bronze .001in OS Exhaust Valve Guide - Set of 12 turn14-atp developing exhaust back pressure inManufacturer Part # : GDE NSR7 ET OS 12 Product Description Short Supertech Nissan SR20DET RB26 7mm Stem Manganese Bronze . 001in OS Exhaust Valve Guide Set of 12