4.0 stretched - 4.1 gallon capacity
4.5 stretched - 4.7 gallon capacity
Tunnel measures 22 front to back
Screw in bung
Mounting bracket is rubber insulated to prevent vibration cracks
Weld to frame brackets recessed in the bottom of the tank
Tapped 1/8 - 27 NPT at rear of tank for crossover line (not included)
Uses 13/16 (22mm) fuel valve
Works with screw-in type pop-up gas cap #48-9820
Frame Requirements:
4 stretch in the front down tubes
3 minimum stretch in the backbone
Backbone OD cannot exceed 1 3/4