Valve Springs & Retainers Valve Springs Catcams valve springs are manufactured by PAC in Canada. Manufactured to the highest standards, this quality of spring is required to control the valve motion when pushing to the limits of cam profile design. There are 2 ranges of valve springs:
Standard: Suitable for most applications up to 12.5mm of valve lift.
Gold: These undergo extra surface treatment and are required for extreme conditions such as valve lifts over 12.5mm, endurance racing etc.
Retainers Catcams Retainers are manufactured in-house from either Hard Anodised Aluminium alloy or steel, depending on the requirements of the valve train in use.
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