Seller notes

FAST & FREE SHIPPING 30-DAY RETURNS SECURE PAYMENT EXCELLENT SERVICE Description BOSS 302R VALVE SPRING KIT. Buy now and get same day shipping! Hurry up! Tomorrow the price will be higher! Valve spring used on 2012-2013 Mustang Boss 302 engine Higher seat pressure than base valve spring 300 N closed 700 N open Boss 302 265 N closed 650 N open Mustang GT Installed height 40mm, same as Mustang GT 8000 rpm compatible Use with cams up to 13mm lift Can be used on base 5.0L Ti-VCT head Sold in sets of...

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