RPM Associated B64/B64D Rear Arms

Upgrade the rear suspension of your Associated B64 or B64D with RPM rear arms designed to reduce hinge-pin slop and improve durability. RPM holds the hinge-pin holes to 0.0005” to 0.001” (.013 to .025mm) of clearance, compared with as much as 0.003” (.076mm) found in a stock set of new A-arms.

• In-line screws retain the outer hinge pins
• Eliminates the extra hole used in the stock design for increased arm durability
• 2 grams lighter per A-arm, or 4 grams lighter for the pair
• Replaces stock Associated ASC92048