This is a A-604-6654 Outer Tube PN: 604-6654Main Description As Following : A-604-6654 Outer Tube PN: 604-6654 Found in Section & Models : Driveline > Driveline Components, Bondioli & Pavesi 100 Series: Size 6, Bondioli & Pavesi 100 Series: Size 7, Bondioli & Pavesi 100 Series: Size 8, Driveline > Shafting & Tubing, Bondioli & Pavesi 100 Series: Size 6, Bondioli & Pavesi 100 Series: Size 7, Bondioli & Pavesi 100 Series: Size 8 Associated Items : New Also This is An Aftermarket Product And : Can be used as 400-6854 - Inner Tube Weasler alternative to original part. Length: 39 3/8" - 1000 mm Series: BP 6 & 7