23* m2t1's brodix prototypes t1 intake 11x exhaust ports have titanium intake valves and ss exhaust approx. 150 laps customer is upgrading to 15* engine produced 680hp on 422ci sbc pictures are as heads came off engine will clean and assemble be ready to install when shipped comes with hv1000 intake and scorpion rockers 1.6 and girdle
$2500
also have pistons 4.165 bore 1.062 compression height (diamond custom)
$500
HEADS HAVE NEVER BEEN WELDED OR HURT

TRYING TO POST PICTURES WILL TRY AFTER LUNCH
815-692-3389 Chuck Bull