Adjust your back pressure to save gas
85mm (47/64") Replacement O-Rings - AF59-5151
Includes a pair of tall baffled Bowtie valve covers (141-751)
Includes: Spiro Lock: 866-042-CS Straight Wall Pin: 866-2500-18-51C (110g) Specifications: Part #: J309127 CID: 4
full throttle performance is improved by increased flow
Competition Plus Exhaust Valve FVF2132P Product:Suit Nissan Skyline RB26 1993-97 31.15mm Head Dia, 6.9mm Stem Dia, 10 Adjust your back pressure toCompetition Plus Exhaust ValveSuit Nissan Skyline RB26 1993 97 31. 15mm Head Dia, 6. 9mm Stem Dia, 101. 52mm O. A. L, 3. 5mm Tip Length FVF2132P F2132P Ferrea Competition Plus Valves have built a reputation as the industry's most reliable extreme duty valve. We at Ferrea, are dedicated to providing the absolute product best on the market. They are engineered for high rpm, high horsepower racing engines, and are chosen by many top Drag, Oval and Sprint