OptiTorque Harmonic Balancer Bolt - Ford PowerStroke (Set of 4) 721045 Features:Increased current at the ignition

Features:Increased current at the ignition coilIncreased spark energy at the spark plugBuilt-in Two-Step rev limiter for consistent launches and quick 60 foot timesQuick

caused by excessive bushing deflection

Reflective Heat Shield

2018-2021 Ford Expedition Max Platinum

OptiTorque Harmonic Balancer Bolt - Ford PowerStroke (Set of 4) 721045 Features:Increased current at the ignitionProduct Description: Harmonic Balancer Bolt 12 mm x 1. 25 Thread 2. 625 in Long 3 4 in 12 point Head Washers Included Steel Black Oxide Ford PowerStroke Set of 4 OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.