ARP Big Block Chevy 12-Point Header Bolt Kit

Upgrade the exhaust header hardware on your Big Block Chevrolet engine with the ARP 12-Point Header Bolt Kit. Designed for securing exhaust headers to the cylinder heads, this kit provides high-strength ARP fasteners for performance, racing, restoration and street engine applications.

ARP part number 100-1212 is manufactured from 8740 chrome moly and includes 16 header bolts. Each fastener features a 3/8" thread size, 1.000" under-head length, and a 12-point head design. ARP categorizes this kit under Cylinder Head Header and lists it for generic Big Block Chevrolet applications.

Product Features:

ARP Header Bolt Kit
Designed for Big Block Chevrolet Engines
12-Point Fastener Head Design
8740 Chrome Moly Construction
3/8" Thread Size
1.000" Under-Head Length
Includes 16 Header Bolts
Designed for the Cylinder Head Header Location
High-Quality ARP Fastener Construction
Ideal for Performance, Racing and Street Engine Builds

Specifications:

Manufacturer	ARP (Automotive Racing Products)
Part Number	100-1212
Product Type	Header Bolt Kit
Head Style	12-Point
Material	8740 Chrome Moly
Thread Size	3/8"
Under-Head Length (UHL)	1.000"
Quantity	16 Bolts
Fastener Location	Cylinder Head Header

ARP Engine Applications:

Chevrolet - Generic - Big Block
Chevrolet - Big Block - Generic

Fitment Notes:

Designed for Big Block Chevrolet header applications.
Designed for securing exhaust headers to the cylinder heads.
ARP lists this kit for generic Chevrolet Big Block applications rather than specific engine displacements.
Features 12-point fastener heads.
Includes 16 bolts with a 1.000" under-head length.
Uses a 3/8" thread size.
Verify cylinder head thread size and header flange thickness before installation.