Quote:
Originally Posted by MylilBowTie
Whats the specs on the 421?
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splayed 4 bolt 400 , Scat crank, Eagle h-beams, Ross pistons 10.5:1, Doug Herbert Hyd. Roller 287/287 .575 lift, Hydralic Roller Retro Lifters, TrickFlow Aluminum heads, Comp Pro Magnum 1.6 rockers, AFR Rev-Kit, RPM Air-Gap