I've used Scat 1.4 kit. Autocraft makes a good set. Of course there's always Bugpack. Cb Performance has a set, and Pauter Machine has billet rollers in different ratios
. You might want to change Valve springs, and check your pushrods to. All this can be done with motor in the car.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG