DR Power (Replaced by Generac) 305061 HEAD KIT STG GT Bar Length 24" Echo CS 450 Echo CS 450P Echo Echo CS 450 Echo CS 450P Echo CS 490 Echo CS 530 Echo CS 550P Echo CS 500P Shindaiwa 491S Stihl 038 Stihl 039 Stihl 041 Stihl 044 Stihl 042 Stihl 046 Stihl 048 Stihl 056 SUPER Stihl 066 Stihl 066 MAGNUM Stihl 038 Super MAGNUM Stihl MS 440 MAGNUM Stihl MS 441 Stihl MS 441 C Stihl 044 MAGNUM Stihl MS 441 C MQ Stihl MS 441 RC M Stihl MS 460 Stihl MS 460 MAGNUM Stihl MS 461 Stihl MS 650 Stihl MS 660 Stihl MS 660 MAGNUM Stihl MS 661 C M Stihl MS 661 R C M Stihl 064 Stihl MS 441 C M Stihl MS 440 Stihl 056 Stihl 046 MAGNUM Stihl 045 Stihl MS 441 Stihl MS 461 Stihl MS 462 Stihl MS 500I Stihl MS 661 Genuine OEM DR Power (Replaced by Generac) 305061 HEAD KIT STG GT