OEM CHAIN BRAKE PARTS FOR STIHL MS661 MS661C CHAINSAW. # 1144 160 5400.

Brake Band 1122 160 5400

Lever 1128 160 5000

Lever 1121 162 5010

Tension Spring 1144 160 5500

Helical Spring 0000 997 0628

E Clip 9460 624 0400

Screw 9022 346 0658