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pulling and autocross
PRO-KIT Performance Springs provide the ultimate balance to take your passion for driving to a whole new level (Your results may vary)
Spring rates: Front: 8 kg/mm (448 lbs/inch) / Rear: 8 kg/mm (448 lbs/inch)
NOTE: 3/8" Notching Required
JE Pistons 87mm FSR Forged Asymmetrical K-Series K20/K24 Pistons: 10.0:1 Fuel Injectors pulling and autocrossFITS: 8th Gen Honda Civic Si 9th Gen Honda Civic Si Acura RSX 1st Gen Acura TSX 2nd Gen Acura TSX THIS IS A SPECIAL ORDER ITEM BEFORE ORDERING: JE Pistons 10. 0: 1 Pistons with FSR forging are designed for K20 cylinder head and K24 engine block. JE designs are specifically engineered for extreme applications up to (and including), professional competition. In this environment, the higher compression ratios, highest boost, or heavy nitrous usage
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