Hi Dan,
Im far from knowledgeable in this field but i offer a suggestion.. The description on the clutch from one website is as follows:
PRODUCT MODEL YEAR
EVO 5 & 6
Description
Standard EVO 6 Clutch kit, fits models NOT fitted with the triple plate clutch.
OE Spec at a not so OE price.
No Warranty on new clutches fitted to old flywheels.
Notes 1
This kit will also fit an EVO 4 giving more clamping force than the standard EVO 4 clutch kit.
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so it should fit a standard 4 unless the previous clutch you have in there is from an Evo 7/8 which has a bigger flywheel (240mm instead of the E4 230mm).
If this is the case then you would need to revert back to the E4 flywheel or exchange the clutch for an E7/8 one.
hope this helps mate.Just incase im wrong dont do anything untill you get some more replies
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