FASTENERS
Buick 231 V6 Part No.
Description
Main Studs ARP
ARP123-5401 ARP123-4203
2-Bolt Main, Stage I and II, 6-Pt. Head
1986-87, V6 Block and GN1 Champion Heads 12-Pt. Nuts
Connecting Rod Bolts ARP ARP123-6001
ARP123-5401
Pro-Series, ARP 2000, Cap Screw Type 1.500" UHL
ARP123-3601
ARP123-6002
Pro-Series, Cap Screw Type 1.700" UHL
Head Bolts ARP
ARP123-3601 ARP123-3603 ARP223-3703
1977-85, High-Performance 6-Pt., Stage I 1986-87, High-Performance 6-Pt., GN/T-Type 1986-87, Pro-Series, 12-Pt. Stage I GN/T-Type
Head Studs ARP
ARP123-4003 ARP123-4203
1986-87, High-Performance 6-Pt. Nuts, GN/T-Type 1986-87, High-Performance 12-Pt. Nuts, GN/T-Type
Camshaft Bolts ARP ARP123-1001
High-Performance Bolt, 5/16"-18 x .560", 3/8" Socket
Exhaust Header Stud Kit ARP ARP100-1412
High-Perf, 3/8"-16 x 1.670", Black Oxide with Locking 6-Pt. Nuts, 12
Balancer Bolts ARP ARP120-2501
ARP123-4203
3/4"-16 x 1.300" U.H.L., 12-Pt. 13/16" Head, All V8 & V6 ARP120-2502 3/4"-16 x 1.300" U.H.L., 1-1/8" 6-Pt., 1/2" Square Drive Head, All V8 & V6
Buick/GM/Pontiac 3800 LN3 L67 L26 L36 Part No. Description Main Studs ARP ARP193-5401 2-Bolt Main, Supercharged 1999-Up, 6-Pt. Nut ARP193-5402 2-Bolt Main, Supercharged 1999-Up, 12-Pt. Nut Head Studs ARP ARP193-4001 1999-Up, Supercharged, 3800 L67, 6-Pt. Nut Connecting Rod Bolts ARP ARP123-6002 Pro-Series, ARP2000, Cap Screw Type, 1.700" UHL Harmonic Balancer Bolt ARP ARP125-5201 Bolt and Washer, 3/4"-16 x 1.300" UHL, 12-Pt, 13/16" Socket Camshaft Bolts ARP ARP123-1001 High-Performance 5/16"-18 x .560" UHL
ARP193-5401
ARP123-1001
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2021-22 ENGINE BUILDER CATALOG
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