Triumph TR8 V8 Cylinder Head and Fittings

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Part No.: GRID006368

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Note:
Always check the height of the valve stems above the valve spring seat surface of the cylinder head.
This MUST NOT exceed 47.63mm (1.875 in.). If necessary grind the end of the valve stem or fit new parts.
In stock
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£5.30 ex VAT£6.36 inc UK VAT
Quantity
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£21.30 ex VAT£25.56 inc UK VAT
Quantity
In stock
Most express orders ship today!
£2.55 ex VAT£3.06 inc UK VAT
Quantity
40mm Head Diameter
For use with Neoprene Seals (ERR1782) and 40/34mm Valves
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£21.30 ex VAT£25.56 inc UK VAT
Quantity
40mm Head Diameter
For use with Neoprene Seals (ERR1782) and 40/34mm Valves
In stock
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£2.55 ex VAT£3.06 inc UK VAT
Quantity
With waisted stem
Machining required to valve guide & seat
Big Valve (8 required) - Head diameter: 41.4mm. With waisted stem. Machining required to valve guide and seat.
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£9.50 ex VAT£11.40 inc UK VAT
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Note:

Always check the height of the valve stems above the valve spring seat surface of the cylinder head. This MUST NOT exceed 47.63mm (1.875 in.). If necessary grind the end of the valve stem or fit new parts.
In stock
Most express orders ship today!
£6.60 ex VAT£7.92 inc UK VAT
Quantity
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£36.13 ex VAT£43.36 inc UK VAT
Quantity
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£36.13 ex VAT£43.36 inc UK VAT
Quantity
With waisted stem
Machining required to valve guide and seat

Big Valve (8 required) - Head diameter: 35.5mm. With waisted stem. Machining required to valve guide and seat.
In stock
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£11.50 ex VAT£13.80 inc UK VAT
Quantity
In stock
Most express orders ship today!
£0.50 ex VAT£0.60 inc UK VAT
Quantity
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£38.33 ex VAT£46.00 inc UK VAT
Quantity
40mm Head Diameter
For use with Neoprene Seals (ERR1782) and 40/34mm Valves
Shown as In Stock at our supplier.
Usually ships in 2-3 working days.
£21.30 ex VAT£25.56 inc UK VAT
Quantity
40mm Head Diameter
For use with Neoprene Seals (ERR1782) and 40/34mm Valves
In stock
Most express orders ship today!
£2.55 ex VAT£3.06 inc UK VAT
Quantity
Shortened & bulleted, for use with performance cam.
Suitable for all valves.
In stock
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£39.00 ex VAT£46.80 inc UK VAT
Quantity
Shortened & bulleted, for use with performance cam.
Suitable for all valves.

8 required - Shortened & bulleted, for use with performance cam. Suitable for all valves.
In stock
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£2.95 ex VAT£3.54 inc UK VAT
Quantity
Shortened & bulleted, for use with performance cam.
Suitable for all valves.

8 required - Shortened & bulleted, for use with performance cam. Suitable for all valves.
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£2.60 ex VAT£3.12 inc UK VAT
Quantity
In stock
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£1.49 ex VAT£1.79 inc UK VAT
Quantity
In stock
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£1.20 ex VAT£1.44 inc UK VAT
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Not suitable for earlier engines (pre '94)
Requires stepped valve guide (LGJ000030)
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£1.85 ex VAT£2.22 inc UK VAT
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Not suitable for earlier engines (pre '94)
Requires stepped valve guide (LGJ000030)
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£0.80 ex VAT£0.96 inc UK VAT
Quantity
In stock
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£2.30 ex VAT£2.76 inc UK VAT
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Suitable for use with uprated "mild road" camshafts
Uses standard retaining caps (ERC573A)

engine set: single spring set
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£174.00 ex VAT£208.80 inc UK VAT
Quantity
Suitable for use with uprated "fast road" cams
Special retaining caps required (ERC573S)
Note:
Machining is required to seat the smaller valve spring on heads previously fitted with single springs. The fitted length for each cam varies, check the sheet supplied with each cam.

engine set: double spring set
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£105.00 ex VAT£126.00 inc UK VAT
Quantity
In stock
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£6.80 ex VAT£8.16 inc UK VAT
Quantity
In stock
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£3.24 ex VAT£3.89 inc UK VAT
Quantity

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Customer Comments
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Product Description

Triumph TR8 V8 Cylinder Head and Fittings
All parts listed are suitable for saloon, sport & 4x4 applications unless otherwise stated.
Various different valves have been used since the Rover V8's introduction; most having the standard 'Rover SD1' head diameter: inlet - 40mm, exhaust - 34mm. However, early engines (pre 1976) were fitted with smaller diameter valves - 38mm inlet, 33mm exhaust - which are less efficient. In order to benefit from the larger valve sizes, it would be more practical to fit a pair of later cylinder heads than to attempt to fit the larger valves to early heads.
Vitesse specification valves are of standard SD1 head diameter, with waisted stems just behind the valve head.
The largest valves that can be fitted to the existing valve seats (later heads only), without the need for extensive machining, are our Big Valves (Inlet - 41.4 mm, exhaust - 35.5 mm, with waisted stems). These valves are particularly suited to large capacity engines. (Note: some machining is required to the valve guide and seat).
Finally, the latest factory valves, as fitted to 3.9 & 4.2 engines since 1993, as well as the Series 2 Range Rover (4.0 & 4.6 engines), feature the same head diameter as SD1-type valves.

Note: All parts supplied are suitable for unleaded applications.