D-262 head bolt kit from ARP
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=210617
Printed Date: 03 Apr 2026 at 11:10am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D-262 head bolt kit from ARP
Posted By: DrAllis
Subject: D-262 head bolt kit from ARP
Date Posted: 02 Apr 2026 at 7:07pm
| I know someone on here in the past had part numbers or information on an ARP brand head bolt stud/nut kit for the D-262 diesel engine used in D-17 and D-19 tractors. Could someone help with this old information ?? Thanks for your help. |
Replies:
Posted By: VaAllis1990
Date Posted: 02 Apr 2026 at 8:03pm
| I bought mine through Mark Pfouts, he kept them in stock I think |
Posted By: 55allis
Date Posted: 02 Apr 2026 at 8:56pm
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I got mine right from ARP. Think somewhere I have the part numbers… ------------- 1955 AC WD45 diesel with D262 repower, 1949 AC WD, 1963 A-C D17 series 3, several Allis garden tractors 
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Posted By: 55allis
Date Posted: 02 Apr 2026 at 9:00pm
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Qty Part number Description 16 AR6.500-1LB STUD ½ X6.5 LONG BROACHED 2 AR7.000-1LB STUD 1/2X7.0 LONG BROACHED 2 AR8.000-1LB STUD 1/2X8.0 LONG BROACHED 20 ARN34 1/2X20 HEX NUT HEAD MAIN 20 ARW78N ½ ID 7/8 OD H&M WASHER Found them!! If I remember right I had to cut like a 1/2” off the top of the studs under the rocker. ------------- 1955 AC WD45 diesel with D262 repower, 1949 AC WD, 1963 A-C D17 series 3, several Allis garden tractors
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Posted By: DrAllis
Date Posted: 02 Apr 2026 at 9:12pm
| Thank you !!! That's what we needed !! |
Posted By: HudCo
Date Posted: 03 Apr 2026 at 8:48am
| thats execatant i still have to order a set for my series one engine my series1 origanal block had studs when it tokk it apart and the series 2 engine block that i am having counter bored had bolts when i took it apart is that the way they came new |