About this product
Description
The perfect combination of inovation, high quality and great performance at a mid range street price.
This new engine belongs to Reds Racing S LINE together with 721 Scuderia, Superveloce and Corsa, a new range of engines produced with different materials, from different suppliers and with new technologies. All assembled in-house and 100% made in Italy.
WHAT’S INSIDE
The new engine features high reliability, tuning stability and fuel mileage. Combined with specific technical changes in the porting and new materials, this 5 port engine features good power and fuel efficiency. 521 Sport guarantees excellent performance at a reasonable price.
ALUMINUM CARBURETOR
521 Sport engine has been provided with the same aluminum carburetor as 721 engines to guarantee reliability and tuning stability.The insulator bushing has been improved with aerospace grade ultra high strength polymer. Furthermore, the new GEN2 carburetor features a double grab screw joint link to facilitate positioning and fitting with the any servo link layout.
DIE CASTING STATE OF THE ART
REDS Racing 521 Sport features a new and unique high stiffness crankcase design.The crankcase is produced with a high quality pressure die casting process and special alluminum alloy developed by REDS Racing engineers to guarantee higher stiffness and strenght.
5 PORTS TECHNOLOGY
REDS Racing 521 SPORT features new materials for piston and sleeve. Thanks to the new 5 ports technology the new engine guarantees really good fuel mileage and smooth power band at the same time.
DIE CASTING STATE OF THE ART
REDS Racing 521 Sport features a unique high performance crankcase design. The crankcase is produced with a high quality pressure die casting process and special alluminum alloy developed by REDS Racing engineers to guarantee higher stiffness and strenght.
HANDMADE, TUNED AND ASSEMBLED
Every single engine is hand inspected and compression checked inside REDS Racing headquarters by Mario Rossi to achieve the highest quality standards. It is recommendable to match the new engine only with REDS Racing original pipes, manifolds and optional parts. We advise using REDS 2143 pipe and M manifold
Technical Data
TECH SPECS.

Ball Driver Hex Wrench 2.5 X 120mm
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Kyosho 12x18x4mm (2) bearings
Fastrax Aluminium Steering 5-Spoke Wheel - Sanwa, Futaba, Flysky
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Kyosho Gear Differential Grease #1000 CPS (15g)
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Kyosho Inferno Mp11 Front Lower Suspension Holder (Fr)
Kyosho Ultima rb7.5 Shock Springs d1.2x5.25x44 / 3.6 (2)
1:8 Truggy Wheel AIR yellow (4)
Body Shell Kyosho Legendary Serie Tomahawk/Ultima Jj
BLACKZON Slyder MT Wheels/Tires Assembled (Black/Yellow)
1:8 BUGGY WIND SOFT PRE-MOUNTED YELLOW 2PCS "H COMPOUND"
1:8 BUGGY VULCANO ULTRA SOFT 4PCS RUBBER BULK "H COMPOUND"
1:8 BUGGY CHESTE CLAY SUPER SOFT PRE-MOUNTED YELLOW 2PCS "CH COMPOUND"
1:8 BUGGY MIURA HARD RUBBER 4PCS RUBBER BULK "H COMPOUND"
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Tyres Kyosho Ep Ultima Sb Dirtmaster (4)
BLACKZON Pinion Gear 16T With Screw Set
Fuel Tank Bush Set Kyosho Inferno Mp9-Mp10 Mp11
Kyosho Ultima rb7.5 Crank Arms Shaft
Suspension Shaft 27mm Kyosho Ep Ultima Sb Dirtmaster (2)
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