Refer to the factory Triumph wiring diagram in the image gallery below

with a 1-15/16" opening at the top and a 2" opening at the bottom

NOTE: SRM Oil valves are made so the threads are on the upper tolerance to ensure good seal in the crankcase between the oil pressure cavity and the blow off hole

circuit breaker screws

Fishtail Exhaust 30 inch Extension Set Subcategory_Carburetor Jets & Needles Refer to the factory TriumphWant to give your bike that iconic, long and low fishtail exhaust look? These 30 inch chrome extensions slide right over your existing pipes to deliver that classic chopper style you're after. Classic Chopper Style: The timeless fishtail design provides the perfect finishing touch for custom builds, working great with upswept pipes or running low and parallel to the ground on drag pipes. Specific Fitment: Designed to be a perfect fit over any 1 3 4"