Proven Part 20" Chainsaw Bar and 7 chains .325" .063" 81DL 3003-008-6821 PS-540 82-026 and B1Rs47

82-026 and B1Rs47

Mower Blade 21

Spindle Mounting Is Pre-TaPPed and Comes with All The Hardware

The Two Oil Seals Replace 77460005

Efi Ech630-ECH749 and Ecv630-ECV749

Proven Part 20" Chainsaw Bar and 7 chains .325" .063" 81DL 3003-008-6821 PS-540 82-026 and B1Rs47Proven Part 20" Chainsaw Bar and 7 Chains . 325" . 063" 81DL 3003 008 6821 Bar Specifications Length 20" Pitch . 325" Gauge . 063" Drive Links 81DL Mount D025 Compatible With Part 3003 008 6821 Fits Stihl Fits Stihl Models: 024, 026, 028, 028S, 029, 030,031, 032, 034, 036, 039, 040, 041, 042, 044, 045, 046, 048, 056, 064, 066, MS270, MS270C, MS270CQS, MS271, MS280, MS280C, MS280CQS, MS290,MS291, MS310, MS311, MS341, MS360, MS360 PRO, MS360CQS, MS361,