1969 gto m-20 P9A15 can be m-20 or m-21 can be stamped "A" or "B" shifter rods lever
 

1969 m-20 gto transmission stamped "P9A15" can either be stamped m-20 or m-21 "A" or "B". no vin. with 12/8 shifter and new Hurst linkage 3737823 install kit and 5324 gto lever and bolts comes with 3 qts of Valvoline 80w-90. fits 1969 gto, g.p., firebird. tranny case number 3925660 side cover 3884685 tail housing 3846429. please send email for pictures as I can not upload them here. price for all is $1850 plus shipping from zip 80104. you will need the reverse lockout linkage though. $80 on eBay. eBay item number:181320131962