JEGS 30713: M8 x 1.25 Header Bolt Kit, Hex Head, 30mm Long for

Multi-fit - 2.25 in. OutletThese Flowtech cast iron exhaust manifolds have a 2.25 inch outlet, natural cast finish and are designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications at a budget friendly price. Being cast iron means they will provide years of leak-free performance with less under hood noise than traditional headers.

Flowtech LS Swap Exhaust Manifolds - 31730-1FLT

Wedge-Locking Header Bolts; Hex Head; 3/8 dia. X 1in; Blk Oxide Finish; 16 Pcs

ARP 146-5001: Main Bolts, High Performance Series, 2-bolt Style, Hex Head, Washers, Jeep, 4.0L, Kit - ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability.

ARP 134-5204 - SB Chevy Dart SHP Main Stud Kit

12-Point Fastener5/16 in. -18 Thread3 1/2 (.500) in. Underhead Length2 3/4 (.750) in. Shoulder LengthGrade 5Chrome PlatedSold individually

JEGS 12-Point Fastener [5/16 in. -18 Thread X 3 1/2 (.500) in. Length]

Header Bolts3/8'' x 3/4''500/pkg

Patriot Exhaust Header Bolts 3/8 x 3/4

ARP M8 x 1.25 x 30 Hex Head Black Oxide Bolt, 5 Pack - Pegasus Auto Racing Supplies

3413 Mr. Gasket Header Collector Bolt Kt - JEGS

1/2-13 X 3 1/4 A307 HEX BOLT, GALVANIZED

12-Point Fastener3/8 in. -16 Thread4 in. Underhead Length2 3/4 (.750) in. Shoulder LengthGrade 5Chrome PlatedSold individually

JEGS 12-Point Fastener [3/8 in. -16 Thread x 4 in. Length]

JEGS 89813 12-Point Fastener 5/16 in. -18 Thread x 3/4 in. Length Grade 5 Chrome