Jaz Products 12-Bolt Flush Mount Cap RS004C1510 Lower housing casting designed for

Lower housing casting designed for enhanced fuel flow

Machined aluminum cap twists into the filler neck and seals with an O-ring

2-1/2 in Piston GM Metric Caliper

but many trucks and SUV's had flat tappet cams until the mid 90's

3/4 in Mounting Hole

Jaz Products 12-Bolt Flush Mount Cap RS004C1510 Lower housing casting designed forProduct Description: Fuel Cell Filler Cap Assembly Twist On Aircraft Style Flat Mount 12 Bolt Flange Gasket Aluminum Plastic Natural Red JAZ Products is the leading manufacturer of bucket seats, fuel cells, and pit accessories in the automotive aftermarket industry. JAZ Products' first venture into the automotive racing market was in 1980 with their now famous "Baja Buster" plastic molded seat. JAZ quickly expanded and today has a complete line of