Cylinder head
exchange. 'Low port' type complete with valves and springs
TR2, TR3 to engine no. TS13051
Requires: 1
exchange. 'High port' type complete with valves and valve springs
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
new item made from cast iron. 'High port' type complete with valves, valve guides and valve springs
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
new item made from aluminium. 'High port' type complete with valves, valve guides and valve springs
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
new item made from aluminium. 'High port' type with valve guides and valve seats
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
classic copper gasket on metal layer for 83 to 86 mm pistons
Alternatives
Requires: 1
made from high quality composite material. Bore size: 86.00 mm + 0.50 mm, thickness: 0.60", built in thickness: 0.57"
Requires: 1
made from high quality composite material. Bore size: 87.50 mm + 0.50 mm, thickness: 0.60", built in thickness: 0.57"
Requires: 1
'low port' version
TR2, TR3 to engine no. TS13051
Requires: 1
'high port'
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
'high port' spec. with classic copper head gasket on metal layer
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
'high port' spec. with composite head gasket
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 1
for original sheet metal rocker cover - length: 3.5/8"
Requires: 2
top face of cylinder head - Oversize, for repair when thread in head is broken. Neccessary tap M27 X 2.0 part-no. 513492 Our Limora engine repair workshop will alternative make an offer for this work, please feel free to ask.
Requires: 1
cylinder head - 45 mm, dished type
TR2 to early TR4A
Requires: 1
cylinder block and head - dished type
TR2 to early TR4A
Requires: 1
cylinder block and head - cup type
Late TR4A
Requires: 1
Requires: 2
front and intermediate
Requires: 3
rear
Requires: 1
front and rear
Requires: 2
centre
Requires: 1
Requires: 1
stainless steel, stem diameter: 3/8", head diameter: 1,305"
TR2 to TR3A, TR4 to engine no. CT21470
Requires: 4
with 3/8" stem diameter
TR2 to TR3A, TR4 to engine no. CT21470
Requires: 4
with 5/16" stem diameter
TR4 from engine no. CT21471, TR4A
Requires: 4
exhaust valve
TR4 from engine no. CT21471, TR4A
Requires: 4
exhaust valve
TR2 to TR3A, TR4 to engine no. CT21470
Requires: 4
for exhaust and inlet valve - outer spring. Spring rate: 94 kg at 0 mm idle stroke (127 kg at 10 mm idle stroke)
All cars
Requires: 8
uprated double springs with 102 kg spring rate (148 kg at 10 mm idle stroke). These springs will allow the engine to rev to 7000 rmp. Please note: in addition you may need our competition valve collar, part no. 12871
TR4 from engine no. CT21471, TR4A
Requires: 1
complete car set with double exhaust and inlet valve springs
TR2 to TR3A, TR4 to engine no. CT21470
Requires: 1
for triple exhaust and double inlet valve springs
TR2 to TR3A, TR4 to engine no. CT21470
Requires: 8
for double exhaust and inlet valve springs
TR4 from engine no. CT21471, TR4A
Requires: 8
stainless steel, stem diameter: 5/16", head diameter: 1.561"
Requires: 4
standard specification - high: 50 mm, weight: 71 g
Alternatives
Requires: 8
fully heat treated steel version. Height: 50mm, weight: 71g. Recommendable for all fast road and race engines
Alternatives
Requires: 8
lightweight and fully heat treated steel version. Height: 39mm, weight: 53g. Recommendable for all fast road and race engines
Alternatives
Requires: 8
high-temperature resistant silicone gasket for genuine steel rocker covers
alternative for standard gasket part-no.: 974
Requires: 1
for low port cylinder head
TR2, TR3 to engine no. TS13051
Requires: 2
for high port cylinder head
TR3 from engine no. TS13052, TR3A to TR4A
Requires: 2
- identify by breather in oil filler cap
TR2 to TR3A
Requires: 1
- identify by breather in oil filler cap
TR4
Requires: 1
aluminium, polished and vented. Comes with oil filler cap
TR4A
Requires: 1
without breather, yellow galvanized, diameter: 58 mm
TR4
Requires: 1
