Page 583 - 2021-22_EngineCatalogAP

Studs
Part No.
1/2" Studs with Internal Hex
ARPAR2.750-1LB 1/2" ARPAR3.620-1LB 1/2" ARPAR4.060-1LB 1/2" ARPAR4.250-1LB 1/2" ARPAR4.400-1LB 1/2" ARPAR4.620-1LB 1/2" ARPAR4.750-1LB 1/2" ARPAR5.000-1LB 1/2" ARPAR5.250-1LB 1/2" ARPAR5.310-2GB 1/2" ARPAR5.400-1LB 1/2" ARPAR5.750-1LB 1/2" ARPAR6.120-1LB 1/2" ARPAR6.500-1LB 1/2" ARPAR7.000-1LB 1/2"
ARPAR7.500-1LGB † 1/2"
2.750" 1.250" 3.620" 1.250" 4.060" 1.250" 4.250" 1.250" 4.400" 1.250" 4.620" 1.250" 4.750" 1.250" 5.000" 1.250" 5.250" 1.250" 5.310" 1.250" 5.400" 1.250" 5.750" 1.250" 6.120" 1.250" 6.500" 1.250" 7.000" 1.250" 7.500" 1.250"
Qty.
1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 1.250" 1 2.000" 1 1.250" 1 1.000" 1
1 1 1 1
1 1 1 1 1
1 1
ARPAR2.750-1LB
BULK FASTENERS
Dia.
Length
Fine Thread Length
Coarse Thread Length
ARPAR8.500-1LB
ARPAR9.000-1SB
1/2" 8.500" 1.250"
1/2" 9.000" 1.250"
† With guided nose on coarse thread end.
1/2" Stud Broached
ARPAR3.250-1LB ARPAR3.400-1LB ARPAR3.800-1LB ARPAR6.600-1LGB
9/16" Studs with Internal Hex
ARPAQ5.250-1LB ARPAQ5.870-1LB ARPAQ6.500-1LB ARPAQ7.000-1LB ARPAQ7.450-1LB
12mm x 1.50 Studs with Internal Hex
ARPAU3.965-1LB ARPAU6.115-1B
Miscellaneous Specialty Bulk Fasteners
ARPAR3.250-1LB
1/2"
3.250"
—
—
1/2"
3.400"
—
—
1/2"
3.800"
—
—
1/2"
6.600"
—
—
9/16"
5.250"
1.250"
1.250"
9/16"
5.870"
1.250"
1.250"
9/16"
6.500"
1.250"
1.250"
9/16"
7.000"
1.250"
1.250"
9/16"
7.450"
1.250"
1.250"
12mm
3.965"
1.000"
1.000"
12mm
6.115"
1.000"
1.000"
ARPAU3.965-1LB
Thread
OAL Length
4 - Pack Part No.
10 - Pack Part No.
16 - Pack Part No.
8mm x 1.25 Stainless Steel Stud with 12-pt. Nuts/ Washers & Internal Hex
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
—
Part No.
Dia. & Thread Pitch
Length
Description
Fine Thread Length
Coarse Thread Length
Stepped Thread Dia. & Length
Qty.
ARPAL1.500-5G
1/4"-20
1.500"
Valve Cover Stud with Bullet Guide Nose
0.625"
0.250"
—
1
ARPRWS-1B
1/2"-13
6.000"
Stepped Main Stud for Windage Tray
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
ARPHAP3.960-5
7/16"-14
3.960"
6-Pt. Head Bolt
—
—
—
1
ARPHAP4.500-5
7/16"-14
4.500"
6-Pt. Head Bolt
—
—
—
1
ARP4AP1.550-2LU
7/16"-20
1.550"
12-Pt. Rod Bolt - 2000 Series
0.562"
—
—
1
ARP4AP1.601-2LU
7/16"-20
1.601"
12-Pt. Rod Bolt - 2000 Series
0.500"
—
—
1
ARPAJG1.750-1G
3/8"-16
1.750"
Header Stud
.750"
.750"
5/16"-18
1
2021-22 ENGINE BUILDER CATALOG 581
BULK FASTENERS