ACT 04-09 Audi S4 B6/B7 XACT Flywheel Streetlite - 600950 fits_2001-2006`Lexus`LS430 It's certainly no slouch

It's certainly no slouch

Requires No Modification To Factory Dipstick

7L Cummins transmission cooler

4 Liter FS5W71C

Weight Savings: 9

ACT 04-09 Audi S4 B6/B7 XACT Flywheel Streetlite - 600950 fits_2001-2006`Lexus`LS430 It's certainly no slouch600590 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Noticeably improved engine response and acceleration, OE to