VG270-12 | Rotax 900ACE DOHC Valve Guides SR20 If you have wing mirror

If you have wing mirror indicators you wont have this issue

85 Litres (6

So with all the real data and testing

25mm thread size)- SiMo-nodular cast iron rear housing- M14 x 1

VG270-12 | Rotax 900ACE DOHC Valve Guides SR20 If you have wing mirrorManganese bronze valve guides to suit Rotax 900ACE DOHC engines. Intake and Exhaust guides are identical on this engine. OD: 9. 055mm. ID: 4. 965mm. 33. 0mm length. Set of 12. Guide design features a stopper for ease of installation. The top of the guide stops 8. 3mm from the spring seat surface. Guides use OEM style stem seal. High quality precision machined. Made from our own proprietary Manganese Bronze. All guides need honing after fitment.