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Bar has a diameter of 1" then tapers down to 15/16" to accept the correct Triumph Pre-Unit throttle assembly
Replaces Lucas part 498157
Install and off you go
BSA Lightning & Firebird models for the year of 1971 only as well
Click here to purchase a battery strap to use with this buckle
Triumph Pre-Unit Engine Case Screw 1/4 x 20 x 1 1/2 (1) 70-2691 Nicholson Bar has a diameter ofNew Triumph Pre Unit Twins Engine Case Screw. Screw measures 1 4" x 20 x 1 1 2" replaces Triumph part number 70 2691 and E2691. Fits many Triumph Pre Unit twins when used to fasten the primary cover and gear box cover. Please refer to your parts catalog for proper fitment. *****Check your parts book to ensure the best fitment.***** Made in England O. E. M Part number is 70 2691 or E2691