Allstar Performance 1-1/4" Fuel Overflow Check Valve - Spring-Loaded RCI Block mount to fan hub

Block mount to fan hub dimension is 5-13/16"

G-Flow ventilation with Top vents

The Stilo HANS Zero combines the best of the Simpson Group

Dual action adjustable fuel log

and related tools

Allstar Performance 1-1/4" Fuel Overflow Check Valve - Spring-Loaded RCI Block mount to fan hubValves are 9 3 4" long and available in two styles. Use with overflow catch can. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar Performance. Product Description: Overflow Check Valve