GT-40X aluminum heads.FRPP part # M6049X303,64cc chamber.1.94" intake and 1.54" exhaust.they flow 240cfm at 550" lift on the intake and 170 cfm at 500 lift. Valve springs shimmed to 125 lbs. on seat and 340 lbs @.550 lift. and had new valve seals installed.the heads are designed for bolt down rockers
$700 Shipped……. Badd ass heads…
only about 1000 miles tops on these…
Mike
[email protected]
0r cell 908 675 5176
$700 Shipped……. Badd ass heads…
only about 1000 miles tops on these…
Mike
[email protected]
0r cell 908 675 5176