Page 491 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

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" 1.250" 1.250" 1
ARPAR6.500-1LB 1/2" 6.500" 1.250" 1.250" 1
ARPAR7.000-1LB 1/2" 7.000" 1.250" 1.250" 1
ARPAR7.500-1LGB (1) 1/2" 7.500" 1.250" 2.000" 1
ARPAR8.500-1LB 1/2" 8.500" 1.250" 1.250" 1
ARPAR9.000-1SB 1/2" 9.000" 1.250" 1.000" 1
Notes: (1) With Guided Nose On Coarse Thread End
1/2" Stud Broached
Part No. Dia. Length Fine Thread Length Coarse Thread Length Qty.
ARPAR3.250-1LB 1/2" 3.250" 1
ARPAR3.400-1LB 1/2" 3.400" 1
ARPAR6.600-1LGB 1/2" 6.600" 1
9/16" Studs With Internal Hex
Part No. Dia. Length Fine Thread Length Coarse Thread Length Qty.
ARPAQ5.250-1LB 9/16" 5.250" 1.250" 1.250" 1
ARPAQ5.870-1LB 9/16" 5.870" 1.250" 1.250" 1
ARPAQ6.500-1LB 9/16" 6.500" 1.250" 1.250" 1
ARPAQ7.000-1LB 9/16" 7.000" 1.250" 1.250" 1
ARPAQ7.450-1LB 9/16" 7.450" 1.250" 1.250" 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
ARPAU6.115-1B 12mm 6.115" 1.000" 1.000" 1
Miscellaneous Specialty Bulk Fasteners
Dia. & Fine Thread Coarse Thread Stepped Thread
Part No. Thread Pitch Length Description Length Length Dia. & Length 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
ARPRWS-1B 1/2"-13 6.000" 1.250" 1.250" 3/8-24 x 1.500" 1
Tray
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" Head Bolt - Hex Head — — — 1
ARPHAP4.500-5 7/16"-14 4.500" Head Bolt - Hex Head — — — 1
ARP4AP1.550-2LU 7/16"-20 1.550" 12pt Rod Bolt - 2000 Series 0.562" — — 1
ARP4AP1.601-2LU 7/16"-20 1.601" 12pt Rod Bolt - 2000 Series 0.500" — — 1

Bulk Washers
Special Purpose Stainless Steel Washers
Outside 1-Pack 2-Pack 10-Pack
Inside Diameter Diameter Chamfer Thickness Part No. Part No. Part No.
5/16 ID .625" Yes .120" — — ARP400-8550
3/8 ID .720" No .120" — ARP400-8504 ARP400-8508
3/8 ID .750" Yes .120" — — ARP400-8537
7/16 ID .812" Yes .120" — ARP400-8529 ARP400-8539
10mm ID 0.755" No .060" ARP400-8241

490 2018 ENGINE BUILDER CATALOG