40-3005101 Rocker Arm Shaft, For Hercules 3400 series engines, both diesel and Gas 40-3891325 these were used on the

these were used on the A and B model RD-40 and the RD-90 model screeners

This item is number 5 on the Lister Petter Drawing

this valve guide is different then the intake guide

If you need additional relays up to 10 more can be added

361871 Housing gasket for Lister Petter AA1

40-3005101 Rocker Arm Shaft, For Hercules 3400 series engines, both diesel and Gas 40-3891325 these were used on the40 3005101 Rocker Arm Shaft for the 3400 series engines, either gas or diesel This will be item number 3 in the Hercules picture. The 6 cylinder engine does take 2 shafts. *Warning* not all items are the same between the 4 and 6 cylinder valve train components. Rocker shafts are different.