I have for 2 Borg warner Super T10 gearboxes,.one is brand new never used been in dry storage for 45 years,.the other is a good used gearbox both are 2.64 ratio.. (1) The first unused box is a Super brute cast iron front case,alloy tail housing 26 spline front and 32 rear 2.64 ratio never been used..$7000 (2) The second gearbox has been used and good condition its full alloy case 2.64 ratio,comes,shifter linkages,yoke..choice of 308 bellhousings in both chev pattern and trimatic..$4500 spare all