Below is a general manufacturer product group description. Please note the information below is not item specific. Item specifics are above in product details.

ACT XACT StreetLite Fywheels provide significantly improved engine response, acceleration and a higher degree of safety than the heavy stock flywheel. Many competitor flywheels are too light, fragile and expensive. ACT offers exactly what performance enthusiasts.
All XACT StreetLite Flywheels are true one-piece designs CNC machined from forged Chrome-moly which is stronger and more durable than billet steel or aluminum.
STREETLITE


Recommended for Street and Drag Use
Maximum gear life – Gear will not Wear Out or Fall Off
Serviceable – Can be Resurfaced with no Need to Purchase Additional Parts
Chrome-Moly Forgings are Three Times More Rigid than Aluminum
Quick Throttle Response and Acceleration
Considerably Lighter than Stock
Most Durable Flywheel Available
Good Drivability