Description: The REDS 521 Sport .21 Off-Road Competition Buggy Engine Combo with 2143 tuned pipe and S manifold, offers a balance of innovation, quality and performance at a mid range street price. The 521 Sport features technical changes in the 5 port sleeve, combined with updated materials to offer users high reliability, tuning stability and fuel mileage. The 521 Sport guarantees excellent performance at a reasonable price.
Recommended
Reds 721 S CORSA 5-Port .21 Competition Off Road Nitro Engine Steel Rear Bearing
$359.99
View DetailsReds Racing 721 S Scuderia Gen2 Red W 2143 X-One Torq Pipe (Pre Break In) #11304
$455.98
View Details