PowerBond Race Harmonic Balancer - GM LS1 Serpentine - Internal Balance Micro / Mini Sprint Suspension Landrum springs are designed to

Landrum springs are designed to exceed the high-performance demands of racing

we can supply an internal spiral reinforcing wire

Made from high-grade alloy steel and hardened to 60 Rockwell C

Made from the highest quality shim stock

These HOOKER(TM) engine swap mounting brackets facilitate the installation of an GM LS motor into a 1978-88 A/G-Body as part of your LS swap project

PowerBond Race Harmonic Balancer - GM LS1 Serpentine - Internal Balance Micro / Mini Sprint Suspension Landrum springs are designed toThe POWERBOND RACE series brings the advantages of bonded balancers to high revving race and street race applications where an SFI approval is required. Every POWERBOND RACE series balancer features a precision CNC machined AUS 1045 steel centre bonded to an equally strong steel inertia ring. Advanced design means that race series balancers are very light for an all steel product. An most cases they are only marginally heavier than the original cast