Barry Posted August 27, 2020 Share Posted August 27, 2020 Does anyone know what the part numbers are for the 2 different size valve springs to fit a Mack E9? I know 1 is 575GC211A and I think it is the bigger size...I need a smaller diameter spring. Quote Barry - Watt's Truck Center Parts Manager and BMT Webmaster...1-888-304-MACK Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/ Share on other sites More sharing options...
Back In Black Pulling Posted August 27, 2020 Share Posted August 27, 2020 Don't know but i have a box of used ones Quote Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/#findComment-459688 Share on other sites More sharing options...
AZB755V8 Posted August 28, 2020 Share Posted August 28, 2020 On 8/27/2020 at 10:48 PM, Back In Black Pulling said: Don't know but i have a box of used ones Expand I second that on stock springs. Think I got Crane small block Chevy springs in my heads for increased RPM without float. Quote Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/#findComment-459693 Share on other sites More sharing options...
fjh Posted August 28, 2020 Share Posted August 28, 2020 Barry we quite often us the PAI Site to cross reference parts as the dumbass Volvo program is really Quite inadequate at finding older parts or most parts for that matter ! Just sayin 1 Quote Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/#findComment-459721 Share on other sites More sharing options...
Barry Posted August 28, 2020 Author Share Posted August 28, 2020 Yes, I checked the PAI site out but no listings for a 2nd size spring. Quote Barry - Watt's Truck Center Parts Manager and BMT Webmaster...1-888-304-MACK Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/#findComment-459733 Share on other sites More sharing options...
fjh Posted August 29, 2020 Share Posted August 29, 2020 Bummer Quote Link to comment https://www.bigmacktrucks.com/topic/63922-mack-e9-valve-springs-2-different-sizes/#findComment-459767 Share on other sites More sharing options...
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