HKS cams

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May 30, 2015 | 07:46 PM

peisden

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From: curacao

HKS cams

I know the evo 7 uses different springs and retainers. If I want to use HKS 272 cams from an evo 8 will I need to change the springs and reatiners?
Please help

May 31, 2015 | 06:51 PM

peisden

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From: curacao

Anyone know this?

Jun 1, 2015 | 02:44 AM

foxbat

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From: UAE

No!
However, it's recommended that you use uprated springs with 272 cams.

Jun 1, 2015 | 07:28 AM

Ted B

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From: Birmingham, AL

HKS 272 carries the same part number for EVO VII and VIII:

http://www.hks-power.co.jp/en/produc...ngine/db/13631

The older HKS 272 cams have mild ramp rates that are compatible with the OE valve springs. The newer HKS cams specify that upgraded valve springs should be used.