TC Head Casting Numbers

Tech chat w/ Marc Matzer
Post Reply
Marc
Posts: 268
Joined: Tue Mar 21, 2006 1:15 pm

TC Head Casting Numbers

Post by Marc » Thu Oct 27, 2011 9:29 pm

Casting no: (valve size) (inlet port Diam) (used on) (chamber type)
4304781 41.8/36 34-32 1592 cc Late
4268803 42.4/36 36mm 1608 cc early
4326319 42.4/36 32-30 1608 cc early
4314402 42.4/36 36/35 1756 cc late
4462603 43.5/36 36/33 (105TC)1585cc late Big Valve
4371507 41.8/36 32/30 or 35/32 1756/1995 early or late
4372748 41.8/36 35/32 1995cc late
4325215 41.8/36 35/33 1995cc early
4372291 41.8/36 35/33 1756/1995 late

4372281 41.8/36 mm 36/35 1995 late

All exhaust valves are 36mm
Combustion Chambers have either early or late design.
Inlet ports are measured from front of inlet port mating surface to diameter at the valve which are tapered except casting #4268803.

Post Reply