they keep the head from shifting side to side while the motor is up and running. the head bolts keep it from lifting. THEY ARE IMPORTANT!!
take care,
adam
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90 GT black/ grey leather
ported GT-40 heads w/ 1.7RR, Cobra intake w/ ported lower, 24# injectors, 190LPH pump, 75mm Pro-M MAF, 65mm TB, K&N panel, BBK long tubes, Off road H-pipe, 2 ch. Flowmaster, Black magic fan, Kirban FPR, 180 deg. T-stat, 3.73's, Steeda Tri-Ax, 130 amp alt. Accell 8.8 race wires/cap/rotor, motorcraft plugs, Factory Five suspension, etc etc etc....
http://avbcon12.stangnet.com
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