TAPPET BLOCK, BRONZE, DRILLED, KPMI
Part Number 70-5861/A
Tappet Block, Bronze, Triumph, Pre-Unit 500/650, 1946-1968.
This is drilled as used on later exhaust, but will also replace undrilled ones as otherwise same.
May need to be honed.
Alternate numbers: 70-1477, 70-4676