New 70-72 GS convertible frame bridge #H51418AA $135 PENDING Yukon 12 bolt 8.875 3:31 gear set $175 New Clevite rod bearings CB-762-P-10 (8piece set) $96 New Federal Mogul A99 062 special HD coated 455 .010 $125 Used 455 springs $50 Used 455 harmonic balancer $125 Used Hemi Killer cam w/matching lifter $300 PENDING Used K-B Mark 4 cam 1231-304 w/matching lifters $200 Used T/A SP 1 aluminum intake $375 Used Jahn's 455 pistons Offer New Jegs universal X pipe 2 1/2" $100 New Jones resonators 2 1/2" (2) $80 New Jegs exhaust clamps 2 1/2" #30732 (2) $16 New Jegs exhaust clamps 2 1/2" #44-JRC007-2 (2) $26 Prefer to deliver to the GS Nationals.
The pistons, springs, Mark 4 cam and the SP 1 came out of the engine when I rebuilt it to milder spec. The block went to .030 over, so I expect the pistons are standard bore.