Looking for aftermarket parts to modify or upgrade your 2012 Ford Mustang with valve springs, retainers? At Tunersports.com we carry a huge selection of the top name brand performance valve springs, retainer parts and accessories.

OUT OF STOCK 26113CY-KITCreates higher load, higher RPM and more lift capacity than stock parts. Complete kit... COMP Cams Ford 5.0L Coyote Valve Spring Kit O.D. .959in 2011-2017 Ford Mustang GT 2012-2013 Ford Mustang Boss 302 $754.82 |
OUT OF STOCK 26125CTS-KITPlease note the above image does not show full spring kit. Creates higher load, higher RPM and more lift capacity than stock parts. Complete kit... COMP Cams 11-14 Ford Coyote/Boss 5.0L .600in Max Lift Valve Spring Kit 2011-2017 Ford Mustang GT 2012-2013 Ford Mustang Boss 302 $1,057.73 |

OUT OF STOCK 26125CTI-KITCreates higher load, higher RPM and more lift capacity than stock parts. Complete kit... COMP Cams 11-14 Ford Coyote/Boss 5.0L .600in Max Lift Valve Spring Kit w/ Ti Retainers 2011-2017 Ford Mustang GT 2012-2013 Ford Mustang Boss 302 $1,363.95 |

IN STOCK M-6513-M50BRa recent European study identified Mustang as the most desirable classic car in Europe. Motorsports continue to evolve, with advances in technology and greater demand for smaller powertrains, as well as growing appetite for new formats like Rally Cross and Drifting. How it develops in the next 50 ye... Ford Racing BOSS 302R Valve Spring Kit 2011-2014 Ford Mustang GT 2012-2013 Ford Mustang Boss 302 $88.97 |