Grade 10.9 Zinc Coated LS/LT Header Bolt Set12pc Grade 10. 9 Header Bolt Kit designed for use with aftermarket headers and exhaust manifolds featuring the standard 3 8th thick flange. Fits Both Gen III IV LS and Gen V LT applications Grade 10. 9 High Strength Zinc Coated for Corrosion Resistance 6pt Hex Head Note: We always recommend measuring header hardware penetration depth. The holes on the LS LT cylinder heads are blind and back up to a water jacket. You want to ensure the header hardware

but realize substantial performance gains when matched with high flow intake and exhausts

The Holley EFI 6

an integrated 1bar MAP sensor

APPLICATION:  GM Truck/SUV 2014-2018 with L86 engine and factory intake manifold

we recommend the PAC

When you look for the pinnacle of performance

Includes all necessary hardware

Gen IV Non-AFM Valley Cover Like GM Part #12598832

Cam Type Naturally Aspirated Brand Cam Motion Engine Type Gen III/Gen IV Cam Style Hydraulic Roller Lift

Head Flange has Clearance for Fuel Supply to High Pressure Pump

High-quality

Track tested and developed 10 second cam with heads and supporting mods