but the real secret is in the angled side bolts
These valve covers are available in 10 different styles
Dual Filtration is recommended for motor sports ran on dirt and pushing high volumes of oil
Compatible with most popular GM transmissions
Competition Plus Exhaust Valve FVF1100PQ Product:Suit SB Chev, 1.600" Head Dia, 11/32" Stem Dia, 4.960" O.A.L, .250" T but the real secret isCompetition Plus Exhaust ValveSuit SB Chev, 1. 600" Head Dia, 11 32" Stem Dia, 4. 960" O. A. L, . 250" Tip Length FVF1100PQ F1100PQ 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 best product on the market. They are engineered for high rpm, high horsepower racing engines and are chosen by many top Drag, Oval and Sprint car racing teams.