Proform 66518CC harmonic balancer cover. Features timing marks, aluminum construction, chrome finish, fits 8in balancers on Small Block Chevy, enhances engine appearance, sold as each.

Proform 66510 harmonic balancer. Features OE replacement, 6.750in OD, iron construction, natural finish, internal balance, fits Small Block Chevy, reduces engine vibration, sold as each.

Proform 66511 harmonic balancer. Features OE replacement, 8.000in OD, iron construction, natural finish, internal balance, fits Small Block Chevy, reduces engine vibration, sold as each.

Proform 66515 harmonic balancer installation tool. Features design for Chevy V8, ensures proper balancer installation, sold as each.

Proform 66525 harmonic balancer installation tool kit. Features single adapter, roller thrust bearing, steel construction, 12mm x 1.50 thread, 6in long, fits various Ford, ensures proper...

Proform 66523 harmonic balancer installation tool. Features single adapter, roller thrust bearing, steel construction, 14mm x 1.50 thread, 9in long, fits various Mopar, ensures proper installation,...

Proform 66514 harmonic balancer installation and removal tool kit. Features multiple adapters, steel construction, universal fit, ensures proper balancer installation/removal, sold as a kit.

Proform 66826 header bolt set. Features locking design, 8mm x 1.50 thread, 1.181in long, hex head, steel construction, nickel plated finish, set of 16.

Proform 66751 header bolt set. Features wedge lock design, 3/8-16in thread, 0.75in long, hex head, steel construction, black oxide finish, fits Chevy V8, set of 12.

Proform 66753 header bolt set. Features wedge lock design, 3/8-16in thread, 1in long, hex head, steel construction, black oxide finish, fits Chevy V8, set of 12.

Proform 66756 header bolt set. Features locking design, 3/8-16in thread, 1in long, hex head, steel construction, black oxide finish, fits Chevy V8, set of 16.

Proform 66823 header bolt set. Features locking design, 3/8-16in thread, 0.75in long, hex head, steel construction, nickel plated finish, fits Chevy V8, set of 16.