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NEED Help....8 3/4 cap bolt size and measurements #2912939
04/21/21 02:49 PM
04/21/21 02:49 PM
Joined: Jan 2003
Posts: 292
Atlanta
DartGTX Offline OP
enthusiast
DartGTX  Offline OP
enthusiast

Joined: Jan 2003
Posts: 292
Atlanta
Hello all, I misplace the cap bolts for the bearing caps on my 489 diff. Could someone please help and provide specs and a couple of pics and sources for replacing them. Thanks in advance

Re: NEED Help....8 3/4 cap bolt size and measurements [Re: DartGTX] #2913129
04/21/21 07:56 PM
04/21/21 07:56 PM
Joined: Jul 2009
Posts: 794
massachusetts U.S.A.
1
1969ronnie Offline
super stock
1969ronnie  Offline
super stock
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Joined: Jul 2009
Posts: 794
massachusetts U.S.A.
Hi , 1/2" X 13 coarse thread 2.50" long grade 8 . I have ran into some 8.75s bolts that were shorter , 2 1/4" , but 90%+ use the 2 1/2 " length . drive the factory ones are hyland bolt company with the funny H and dots on the bolt head , but these will work . wrench ronnie

Re: NEED Help....8 3/4 cap bolt size and measurements [Re: 1969ronnie] #2913190
04/21/21 10:06 PM
04/21/21 10:06 PM
Joined: Jan 2003
Posts: 292
Atlanta
DartGTX Offline OP
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DartGTX  Offline OP
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Joined: Jan 2003
Posts: 292
Atlanta
Thank you Ronnie!

Re: NEED Help....8 3/4 cap bolt size and measurements [Re: DartGTX] #2913224
04/21/21 11:11 PM
04/21/21 11:11 PM
Joined: Jul 2009
Posts: 794
massachusetts U.S.A.
1
1969ronnie Offline
super stock
1969ronnie  Offline
super stock
1

Joined: Jul 2009
Posts: 794
massachusetts U.S.A.
wave and if you check ebay the old Mopar part # 314948 might show up . they do show up used too . But since you can't see them , jusy get some good grade 8s and put it together . You know you WILL find the original bolts once you put the whole Axle back together . wrench







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