I just recently swapped out the hardware on my '84 exhaust. here what I used for anyone interested:
Went with M8-1.25 x 40 mm. Class 10.9 Zinc Yellow Hex Head Cap Screw bolts - Amazon ID (ASIN): B007IAEDIA
M8 x 16mm Flat Washer High Strength HV200 DIN 125A Yellow Zinc Cr+6 washers: ASIN: B0CVD5HHQW
Self Locking Copper Nut: https://www.pelicanparts.com/More_Info/0009903250.htm?pn=000-990-32-50-M36&bc=c&SVSVSI=0580
Could also use these: https://www.ipdusa.com/products/11455/Copper-Flanged-Lock-Nut-CRP-11621711954-Volvo-946036-948645?srsltid=AfmBOopg8gahyW8rR5wwMCJ17gsb_Cl9v1Q XSCVtZCn-0Cl1CNjvX1aq
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TBD
Prior: '84 911 3.2 Carrera, '83 911SC Targa
IG: @heuersandcarreras
"I want to use it. That's what 911s are for." - Richard Hammond
Last edited by Matthew_VA; 06-27-2025 at 05:24 AM..
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