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Engine : Cylinder Head / top end tuning parts
 
Note : All prices shown can change without notice and exclude VAT
 
Prices shown are not car specific, please call for advice, pricing and availability for your car
 
Camshafts
Available for many makes and models! Please contact us for details.
Price : From £225.00
Adjustable Cam Sprockets

JUN Adjustable Cam Sprockets allow easy adjustment of valve timing after changing cams or tuning.

 

Price : From £144.00
Valve Spring Kits
High speed rotation engine and increased level by the high camshaft requires fitment of reinforced valve springs to avoid valve spring surging.
Price : From £216.00
Titanium Valve Retainers
In order to obtain high output, it is necessary to turn engine by high rotation. In high rotation range valve jumping can occur. These Titanium valve retainers are 40% lighter and twice the strength of stock retainers.
Price : From £448.00
Valve Guides
In tuned engines, the heat and mechanical load during high rotation is much higher than stock. Stock valve guide damage may therefore occur. JUN Racing valve guides are strong and feature improved heat transfer.
Price : From £198.00
Strengthened Head Bolts
JUN Strengthened head bolts increase adhesion between cylinder head and cylinder block. Using JUN Head bolts, a strong engine can be built, able to endure more stressful situations.
Price : From £216.00

 

 

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