ARP Harmonic Balancer Bolt suit LS Engines 4.8, 5.3, 5.7, 6.0, 6.2 ARP234-2503 push lock Check Valve: Yes (Inbuilt)

Check Valve: Yes (Inbuilt)

17800568-2 Late Head Bolts

all necessary hardware

The greater surface area of the bushing will support 300X the load of a needle roller bearing due to the fact that there are only three needles on the bottom of the bearing that are carrying the load

ARP Harmonic Balancer Bolt suit LS Engines 4.8, 5.3, 5.7, 6.0, 6.2 ARP234-2503 push lock Check Valve: Yes (Inbuilt)As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 psi bolts that let you exert maximum clamping force.