B7 HD Front Ballstud Mount, 2 Color Anodizing Bearings This engine is a standard

This engine is a standard engine designed for flights in rockets weighing less than 4

The setups and tuning parts remain interchangeable between the RC10B6

The pre-mounted JConcepts tires are assembled with no inserts mounted on #3376 Mono wheels available in bright white and florescent yellow

recessed design yet protrude out of the hood far enough to show the detail that makes them unmistakable as anything other than turbos

2-cell LiPo battery capability

B7 HD Front Ballstud Mount, 2 Color Anodizing Bearings This engine is a standardHeavy duty 7075 alloy front bulkhead with our popular 2 color anodizing treatment. Intricately machined to reduce its weight to only 15. 5 grams (only 4. 3gr more than stock) while insuring its heavy duty construction. Direct replacement. Note use blue threadlock for steering crank screws (don't over tighten). Not for the B6 series etc.