Lotus Twin Cam Weber Cylinder Head, Sprint Road Port w Seats and Guides.

Replace your tired and worn Lotus Twin Cam cylinder head with all new casting designed and produced to the highest modern standards. This head is cast from modern LM25TF aluminum and like all modern engines, separate camshaft bearings are not required. Each head includes valve seats and Colsibro valve guides for years of trouble free service. CNC machined combustion chambers ensure matching volume across all four cylinders. This head is set up for "Sprint" intake valves and standard exhaust valves. We can also provide heads fully assembled. contact us for details. Lotus Europa version is also available, please contact us. 

LOTUS TWIN CAM ROAD SPECIFICATION

• New LM25TF Casting to original dimensions
• Cam bore machined into head (No cam bearing required)
• Inlet port as cast 1.14 diameter 40mm Weber at manifold
• Inlet Valve seat cut for 1.560 diameter valve- (Inlet valve not included)
• Exhaust port as cast 1.25 dia
• Exhaust valve seat cut for 1.325 dia valve - (Exhaust valve not included)
• Colsibro valve guides fitted finished for 5/16 valve stems
• Combustion chamber machined
• Spark plug 14mm
• All core plugs fitted
• Full pressure test 
• Head supplied fully machined with valve guides and valve seats cut and cam caps 
• Cam cap studs and fasteners included 
• Made in the UK

Applications:

All Lotus Twin Cam Engines