BULK FASTENERS
Studs (Cont.) 1/2" Studs With Internal Hex - Cont. Part No. Dia.
Length Fine Thread Length Coarse Thread Length
Qty.
ARPAR6.120-1LB 1/2" 6.120" ARPAR6.500-1LB 1/2" 6.500" ARPAR7.000-1LB 1/2" 7.000" ARPAR8.500-1LB 1/2" 8.500" ARPAR9.000-1SB 1/2" 9.000" Notes: (1) With Guided Nose On Coarse Thread End 1/2" Stud Broached Part No. Dia. ARPAR3.250-1LB 1/2" 3.250" ARPAR3.400-1LB 1/2" 3.400" ARPAR6.600-1LGB 1/2" 6.600" 9/16" Studs With Internal Hex Part No. Dia. ARPAQ5.250-1LB 9/16" 5.250" ARPAQ5.870-1LB 9/16" 5.870" ARPAQ6.500-1LB 9/16" 6.500" ARPAQ7.000-1LB 9/16" 7.000" ARPAQ7.450-1LB 9/16" 7.450" ARPAR7.500-1LGB (1) 1/2" 7.500"
1.250" 1.250" 1.250" 1.250" 1.250" 1.250"
1.250" 1.250" 1.250" 2.000" 1.250" 1.000"
1 1 1 1 1 1
Length Fine Thread Length Coarse Thread Length
Qty.
1 1 1
Length Fine Thread Length Coarse Thread Length
Qty.
1.250" 1.250" 1.250" 1.250" 1.250"
1.250" 1.250" 1.250" 1.250" 1.250"
1 1 1 1 1
8mm x 1.25 Stainless Steel Stud With 12pt Nuts/ Washers & Internal Hex Thread OAL Length 4 - Pack Part No. 10 - Pack Part No. 16 - Pack Part No. 8mm x 1.25 32mm ARP400-8001 ARP400-8021 — 8mm x 1.25 38mm ARP400-8002 ARP400-8022 ARP400-8032 8mm x 1.25 45mm ARP400-8003 ARP400-8023 ARP400-8033 8mm x 1.25 51mm ARP400-8004 ARP400-8024 ARP400-8034 8mm x 1.25 57mm ARP400-8005 ARP400-8025 —
12mm x 1.50 Studs With Internal Hex Part No. Dia.
Length Fine Thread Length Coarse Thread Length
Qty.
ARPAU3.965-1LB 12mm
3.965"
1.000" 1.000"
1.000" 1.000"
1 1
ARPAU6.115-1B 12mm 6.115"
Miscellaneous Specialty Bulk Fasteners
Dia. & Thread Pitch Length
Fine Thread Length
Coarse Thread Length
Stepped Thread Dia. & Length
Part No.
Description
Qty.
ARPAL1.500-5G 1/4"-20 1.500" Vavle Cover Stud With Bullet Guide Nose 0.625"
0.250"
—
1
Stepped Main Stud, Use With Windage Tray
ARPRWS-1B
1/2"-13 6.000"
1.250"
1.250"
3/8-24 x 1.500"
1
ARPRWS-8B
1/2"-13 5.250" Ford Stepped Main Stud For Windage Tray 1.250"
1.250"
3/8-24 x 0.750"
1 1 1 1 1
ARPHAP3.960-5 7/16"-14 3.960" ARPHAP4.500-5 7/16"-14 4.500" ARP4AP1.550-2LU 7/16"-20 1.550" ARP4AP1.601-2LU 7/16"-20 1.601"
Head Bolt - Hex Head Head Bolt - Hex Head
— —
— — — —
— — — —
12pt Rod Bolt - 2000 Series 12pt Rod Bolt - 2000 Series
0.562" 0.500"
Bulk Washers Special Purpose Stainless Steel Washers
Outside Diameter Chamfer
1-Pack Part No.
2-Pack Part No.
10-Pack Part No.
Inside Diameter
Thickness
5/16 ID 3/8 ID 3/8 ID 7/16 ID
.625" .720" .750" .812"
Yes
.120" .120" .120" .120" .060"
— — — —
—
ARP400-8550 ARP400-8508 ARP400-8537 ARP400-8539
No
ARP400-8504
Yes Yes
—
ARP400-8529
10mm ID
0.755"
No
ARP400-8241
2018 ENGINE BUILDER CATALOG
490
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