Triumph Outer Cylinder Head Bolt (1) 70-4456 - 1957-74 - T90 / T100 Bearing Royal Star & Firebird) from

Royal Star & Firebird) from 1969-1970 only

Spring comes with a lovely Zinc finish to prevent tarnishing unlike CAD

68-9223 and 60-3159

Measures 9/16" with a 20 TPI thread pitch

Triumph Outer Cylinder Head Bolt (1) 70-4456 - 1957-74 - T90 / T100 Bearing Royal Star & Firebird) fromNew Top Quality Triumph 350 500 Twins Outer Head Bolt. Head bolt comes with a zinc plated finish made in England to replace Triumph parts number 70 4456 or E4456. Measures 2 3 4" long X 3 8" with a thread pitch of 26 T. P. I. (CEI). Fits all Triumph 350 and 500 unit twins (Daytona, T100R, T90, Tiger, 3TA, 5TA, Etc) from 1958 1974. Please refer to your parts catalog for proper fitment. *****Always check your parts book to ensure the best fitment.*****