Mahle Cobra Jet NHRA Spec Pistons 5.4L w/ Custom Total Seal Rings GT500-Cobra Jet NHRA Legal Mahle Pistons 5.4L w/ Rings Available in Std 3.553" ,+.070", +.075", +.077",& +.080" bore sizes MSRP: Was: Now: $1,299.00
