(BULLETIN)
| Part Number | Length | Sensors | Additional Info |
| BN-581A1 | 15 5/8" | 3&9 clock positions | |
| BN-581A2 | 15 5/8" | 2&8 clock positions | |
| BN-581A3 | 12" | 2&8 clock positions | |
| BN-581B1 | 16 3/4" | w/out sensor | w/out hanger, 10&4 clock positions |
| BN-581B2 | 16 3/4" | w/sensor on outlet | w/out hanger, 10&4 clock positions |
| BN-581B3 | 16 3/4" | w/out sensor | w/out hanger, 2&8 clock positions |
| BN-581B4 | 16 3/4" | w/sensor on outlet | w/out hanger, 2&8 clock positions |
| BN-581B5 | 16 3/4" | w/out sensor | w/out hanger, 3&9 clock positions |
| BN-581C1 | 17 3/4" | w/out sensor | 10&4 clock positions |
| BN-581C2 | 17 3/4" | w/sensor | 10&4 clock positions |
| BN-581C3 | 17 3/4" | w/out sensor | 2&8 clock positions |
| BN-581C4 | 17 3/4" | w/sensor in rear of body | 2&8 clock positions |
| BN-581D | 16 1/4" | w/out sensor | w/hanger, 2&8clock positions |
| BN-581E | 16 1/4" | w/sensor on outlet | w/hanger, 2&8 clock positions |
| BN-581F | 16 1/2" | w/sensor in middle of converter | 2&8 o'clock position |
| BN-581G | 17 1/2" | w/out sensor | round body, 2&8 clock positions |
| BN-581H | 17 1/2" | w/sensor in rear of converter | round body, 2&8clock positions |
| BN-581I | 46" | 1 sensor in middle of converter, 1 sensor below 2 bolt inlet | 30" neck inlet, 2 bolt in, 3 bolt out |
| BN-581J | 33 1/2" | 1 sensor in front of body, 1 sensor in middle of body, sensors inline | w/hanger, shield on top and bottom of body, 5 1/8" center bolt, 2 bolt formed inlet |
| BN-581K | 29 1/2" | 1 sensor in front of body, 1 sensor in middle of body, sensors off-set | w/hanger, shield on top & bottom of body, 4 5/8" center bolt, 2 bolt formed inlet |
| BN-581L | 31" | 1 sensor in front of body, 1 sensor in middle of body (sensors inline) | w/out hanger, shield on 1 side of body & around neck, 4 5/8" center bolt, 2 bolt formed inlet, 3 bolt out |
| BN-581M | w/out sensors | 2 bolt in, 3 bolt out, 15 1/4" neck, 15 1/4" round body | |
| BN-581N | 25" | 1 sensor in outlet | 2 bolt in, 3 bolt out, 1 hanger, 10" front neck |
| BN-581O | 35 1/2" | 1 sensor 1/2" before body on side, 1 sensor in middle of body on side, (sensors inline) | 2 bolt formed in, 2 bolt out, shield on 1 side of body & around neck, w/hanger, 2 1/2" outlet pipe, 4 3/4" center bolt |
| BN-581P | 39 1/2" | 1 sensor in outlet after converter | 23" neck length, 2 bolt inlet, 3 bolt outlet |
| BN-581Q | 38 1/8" | 1 sensor in middle of body, 1 sensor before body on side (sensors inline) | 2 bolt formed flange inlet, 3 bolt outlet, 15 1/2" neck, 20 1/2" body |
| BN-581R | 32 1/4" | 1 sensor in middle of body, 1 sensor 1/2" below body | 17 1/4" body, 14 1/2" neck, 2 bolt formed inlet, 3 bolt outlet, hanger on neck |
| BN-581S | 28 1/2" | no sensor | hanger on neck, 17 3/4" neck, 11" body, 2 bolt formed inlet, 3 bolt outlet |
| BN-581T | 29 1/2" | 1 sensor in middle of body | 2 bolt formed inlet, 3 bolt outlet, 13 1/4" neck, 16 1/2" body |
| BN-581V | 31 1/2" | no sensor | hanger on neck, 2 bolt inlet, 3 bolt outlet |
| Part Number | Length | Sensors | Additional Info |
|
2 BOLT INLET / 3 BOLT OUTLET must have clock position on 2 bolt flange, (get 2 bolt pattern from front of vehicle); overall length; with or w/out sensor, location of sensor, with or w/out hanger bracket |