One Main Bearing Set Fits casee Models: 770 (w/ A251B forGas or 267B Engine), 830 (w/ A284 forGas or A301D Engine), 400 Super (w/ A267D 4-Cylinder Engine), 680CK (A267D 4-Cylinder Engine), 700 (w/ 251 forGas or A267D Engine), 730 (w/ A251 forGas or A267D Engine), 800 (w/ 251 forGas or A267D Engine), 680B (w/ 267B or A267D 4-Cylinder Engine) Tech Info: -Less Thr Washerrs