Cylinder head - 3 main bearing engine
with breather pipe
18G engines
Alloy rocker covers
Requires: 1
no breather pipe
18GA engines
Alloy rocker covers
Requires: 1
on rocker cover 'patents'
Alternatives
Requires: 1
on rocker cover - 'patents'
Alternatives
Requires: 1
plastic, non vented
18G engine
Requires: 1
for oil filler cap
18G engine
Requires: 1
black plastic, with breather
18GA engine
Requires: 1
red plastic, vented
18GA engine
Requires: 1
chromed - length: 1.1/4"
Requires: 2
Not suitable for alloy rocker covers
Requires: 2
Requires: 2
screwed - in rocker shaft
Requires: 1
plain - in rocker shaft
Requires: 1
for rocker shaft adjusting screw
Requires: 1
rocker arm adjusting screw - 5/16" UNF
Requires: 8
rocker arm
Requires: 8
rocker arm. Must be reamed and drilled for oil holes
Requires: 8
exchange. Identification: Double valve springs
Requires: 1
new item. Assembled head with valves, single valve springs, valve guides and valve seat inserts. Variant with in-line oil feed
Requires: 1
new item. Assembled head with valves, double valve springs, valve guides and valve seat inserts. Variant with in-line oil feed
Requires: 1
heater valve
When heater not fitted
Requires: 1
manifold to cylinder head - 1.5/8" long
18GB to 18GG and 18GK engines (to October 1971)
Requires: 2
classic soft material gasket on metal layer with 1.5 mm thickness
Requires: 1
classic copper gasket on metal layer with 1 mm thickness
Requires: 1
classic soft material gasket on metal layer with special sealing ring for the oil feed and 1.2 mm thickness. Please note: do not re-torque cylinder head when using this gasket
Characteristic: do not re-torque cylinder head when using this gasket
Requires: 1
made from 214N stainless steel. Head diameter: 1.35"
Requires: 4
inlet valve. Bronze type for lead free applications
Requires: 4
exhaust valve. Bronze type for lead free applications
Requires: 4
for exhaust valve. Hardened variant for lead free applications - dimensions: 1.505 x 1.183 x 0.250"
Requires: 4
with outer groove - supplied in pairs
Requires: 8
improved version - may replace OE valve stem seal
Replaces valve stem seal
Requires: 8
supplied in sets of 16 double springs
Requires: 1
with soft material head gasket on metal layer
Requires: 1
with copper head gasket on metal layer
Requires: 1
with soft material head gasket on metal layer
Do not re-torque cylinder head when using this gasket set
Requires: 1
with modern composite cylinder head gasket with 83.00 mm + 0.5 mm max. bore size
Requires: 1
