HBS Rear Wheel Center 1-1/2" Spline, Junior Sprint Front End This is the air filter

This is the air filter you need for the Junior Sprint Class

Requires Snap Ring 389-510

This filter should be cleaned using our Ultrasonic Cleaner 80-675 or 80-674

GP320 was purpose built as an upgrade with increased pad size over two piston calipers on lightweight open wheeled race cars

HBS Rear Wheel Center 1-1/2" Spline, Junior Sprint Front End This is the air filterHyper Racing # 821 810 The Hyper Black Series Rear Wheel Center 1 1 2" Spline for Junior Sprint is machined from billet aluminum, finished with signature black anodizing and accented with post machine highlights. This center weighs in at 6. 8 ounces lighter than the competition's center. If you switch to HBS wheel centers on all 4 corners, it will be 21. 2 ounces or 1 1 4 pounds lighter on the rotating weight!