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Modified Cylinder Heads

Modified Cylinder Heads

Our range of gas flowed heads are available to suit all needs. On some heads the work is carried out to the customers own unit, the more popular heads may be available on an exchange basis, please check when ordering. All heads are supplied with stainless valves, bronze-alloy valve guides and valve seats suitable for unleaded petrol unless requested otherwise. Please advise us of the engine capacity and any planned changes when ordering.

Stage II Cylinder Heads
Modifications include gas flowed ports and reshaped combustion chambers. New standard diameter valves are reshaped fitted with new guides and uprated valve springs.

Stage III Cylinder Heads
Further modifications to the ports and chambers. Large inlet valves are fitted with new guides, uprated valve springs and alloy valve caps.

  Description Price
(each)
Qty  
Cylinder Head, Standard Chamber Capacity, Stage II Part Number: TT1302UL Notes: Unleaded, Iron Valve Guides, Uprated Valve Springs Application: 1300cc Fast Road
NCA
Cylinder Head, Standard Chamber Capacity, Stage II Part Number: TT1302BUL Notes: Unleaded, Bronze Valve Guides, Uprated Valve Springs Application: Spitfire & Herald 1300cc Fast Road
£1,125.60
Cylinder Head, Standard Chamber Capacity, Stage III Part Number: TT1303UL Notes: Unleaded, Bronze Valve Guides, Uprated Valve Springs, Alloy Valve Caps Application: Spitfire & Herald 1300cc Fast Road/Sport
£897.00
Cylinder Head, Gas Flowed Ports, Re-shaped Combustion Chambers, Stage II Part Number: TT1402UL Notes: Unleaded, Iron Valve Guides, Uprated Valve Springs Application: Spitfire 1500cc Fast Road
NCA
Cylinder Head, Gas Flowed Ports, Re-shaped Combustion Chambers, Stage II Part Number: TT1402BUL Notes: Unleaded, Bronze Valve Guides, Uprate Valve Springs Application: Spitfire 1500cc Fast Road
£1,287.50
Cylinder Head, Gas Flowed Ports, Re-shaped Combustion Chambers, Stage III Part Number: TT1403B Notes: Unleaded, Large Inlet Valves Fitted With Bronze Valve Guides, Uprated Valve Springs, Alloy Valve Caps Application: Spitfire 1500cc Fast Road/Sport
£1,371.70
Cylinder Head, Gas Flowed Ports, Re-shaped Combustion Chambers, Stage II Part Number: TT1702UL Notes: Unleaded, Bronze Valve Guides, Uprated Valve Springs Application: GT6 & Vitesse
NCA
Cylinder Head, Gas Flowed Ports, Re-shaped Combustion Chambers, Stage III Part Number: TT1703BUL Notes: Unleaded, Large Inlet Valves Fitted With Bronze Valve Guides, Uprated Valve Springs, Alloy Valve Caps Application: GT6 & Vitesse
£1,535.20