I have a complete unmolested 12 bolt 4.10 ratio factory posi rear end assembly drum to drum. It is out of a 70 Camaro but will fit a 67-69 with minor spring perch adjustment, 1" wider than gen 1. $1250
Also have Moser 12 bolt axels, 4.88 gear set and spool for above combo add $150 to above combo or $250 outright.
Still have brand new, dyno time only, 383" SBC 557 HP 501 TQ complete motor...$5500
Also, brand new 390" SBC should make 500-520HP with AFR 195's, JE pistons, air gap, holley, etc...$4500
400-4bolt block std, greasy...$350
Many other parts, email or call with your needs.
Tom 231-8679