Description
This spring set from Kibblewhite is an OEM replacement for Triumph 650 heads from 1966-1972, and 750 heads from 1972-1980. These springs can also be used on all 650 heads provided the taller OEM basewashers are used ( Triumph p/n 70-6439). For 750 twin applications, the basewasher is .100″ shorter than 650, and as always, spring pressure should be checked and verified on each head.
This set consists of 4pc outer springs and 4pc inner springs.
Seat pressure is 68# @ recommended installed height 1.245″-1.255″. Maximum recommended valve lift is .348″. Replaces Triumph part number 99-7037. These springs are much higher quality than the current UK production and would be great for use with E3134 or other stock Triumph cams.
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