Pre Unit Triumph Valve Cover Cap SET 500 650 BILLET ALUM T400 BSA Control I believe this throttle was

I believe this throttle was OEM equipment for most 2-stroke European dirt bikes until recently

These prints are flawless and stunning

includes correct 7mm nuts and washers

these should fit all RIGID Pre-unit Triumph

So beautiful you'll want to put it under glass

Pre Unit Triumph Valve Cover Cap SET 500 650 BILLET ALUM T400 BSA Control I believe this throttle wasModeled after a very early Triumph cap for a custom look, lovely polished stuff in aluminum billet. CEI thread, perfectly polished, ALUMINUM BILLET, showtime. This listing is for a complete set of four nuts covers. If you want your chopper or bobber to have 'that' look, here it is.