Moroso Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.250 in Long - 27 mm 12 Point Head - GM LS-Series 65354 Can be used standalone with

Can be used standalone with high performance coils such as the Mallory Promaster Series or add on more power with HYFIRE CD ignition controls

HydraMats are also available in other sizes and shapes to fit a variety of stock fuel tanks and/or race fuel cells

Light Weight Design

1 in Extended Length

Hook & Loop Gauntlet Closure

Moroso Harmonic Balancer Bolt - 16 mm x 2.00 Thread - 4.250 in Long - 27 mm 12 Point Head - GM LS-Series 65354 Can be used standalone withProduct Description: Harmonic Balancer Bolt 16 mm x 2. 00 Thread 4. 250 in Long 27 mm 12 Point Head Steel Black Oxide GM LS Series Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from Moroso oil pans and Moroso oiling systems, to Moroso ignition wire, Moroso ignition components, Moroso valve covers, Moroso fuel