PowerBond LS 7.5 in Steel Harmonic Balancer - SFI Youth Seat Belts & Harnesses They are machined out of

They are machined out of 6061-T6 aluminum and have a 3/8-16 stud for your shift knob

*Turbo timers are only available to work with the CS and CTS product lines

A performance distributor combined with the added benefit of an adjustable vacuum advance for street use

Kits are also available with locking wheels

Shifter Boot Ring

PowerBond LS 7.5 in Steel Harmonic Balancer - SFI Youth Seat Belts & Harnesses They are machined out ofProduct Description: Harmonic Balancer Race Serpentine 7. 520 in OD SFI 18. 1 Steel Black Powder Coat Internal Balance GM LS Series Sold Individually PowerBond produces steel harmonic balancers that are designed to outperform conventional harmonic balancers without the weight penalty of many competitive balancers.