ARP 145-5201 Main Bolt Kit for Mopar 426 Hemi ymm_1 To take the Slip-On Race

To take the Slip-On Race Line (Titanium) to the next level of its tuning potential

Trusted by pros

Handcrafted titanium headers incorporate 100 cpsi sports catalytic convertors and side mufflers—all designed to increase power and torque—the Evolution Header Set utilizes integrated catalytic convertors and the functionality of the exhaust valves to deliver an out-and-out attack on the senses

000˝ Grip Length n/a˝ Thread Diameter-Pitch 5/16-18 Grip Diameter 5/16˝ Wrenching 3/8˝ Head Height 0

The system is split in 2 codes only because of packaging reasons

ARP 145-5201 Main Bolt Kit for Mopar 426 Hemi ymm_1 To take the Slip-On Race2 Bolt Main Bolt Kit by ARP. Far superior to any other main bolts available for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly steel, all ARP main bolts feature a reduced wrenching head, large underhead radius and rolled threads for the utmost in reliability. The threads are rolled after heat treating which gives them about 2000% better