1740-1

Valve seats 37,5 mm
by 4

1741

Valve seats 40 mm
by 4

1742

Valve seats 42 mm
by 4

1743

Valve seats 44 mm
by 4

1747

S/S valves 40mm

1750

S/S valves 42mm

1750-1

S/S valves 44mm

1750-20

S/S valve 38mm, exhaust

1750-25

S/S valves 46,5mm, intake

1750-26

S/S valves 48mm, intake

1782-154

Rocker shaft mounting

1785

Rocker shafts, fortified
as pair

1785-1

Rocker shafts, original
each

1744

Intake valves 37,5mm, 8mm guide

1744-1

Intake valves 39,3mm, 8mm guide

1744-2

Intake valves 41mm, 8mm guide

1744-5

Exhaust valve 33mm, 9mm guide

1744-6

Exhaust valve 34mm, 9mm guide

1745

S/S valves 32mm

1746

S/S valves 35.5mm

1746-1

S/S valves 37,5mm

1748

Intake valves 13-1600cc

1749

Exhaust valves 13-1600c

1751

Exhaust valve 30mm, 9mm guide