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Our Engines

Performance Engines

RPE Suzuki Hayabusa GSX-R 1340cc

RPE have advocated lightweight, high-output Suzuki Hayabusa powertrains in racing applications for two decades. Radical’s unique technical relationship with Suzuki means that the latest 1340cc Generation 4 engines are the most durable combined engine and gearbox packages on the market.

Engine Spec

Max Power 198.8 hp
Max Torque 120.1 ft/lbs
Weight 83 kg
Download Spec Sheet

RPE Suzuki Hayabusa GSX-R 1500cc

As proven by Radical’s own best-selling SR3 race car, our stroked 1500 variant of the Hayabusa proves you don’t need capacity to deliver outstanding performance. Loved by circuit and off-road racers alike, this RPE-developed variant benefits from bespoke components including a forged Arrow crank and unique Cosworth pistons.

Engine Spec

Max Power 226.2 hp
Max Torque 134.3 ft/lbs
Weight 83 kg
Download Spec Sheet

RPE Macroblock 2.7L V8

Designed and manufactured in-house by RPE since 2005, the acclaimed Macroblock V8 is the lightest and most compact production racing V8 on the market. Naturally aspirated and high-revving, this 72-degree flat-plane V8 delivers not only exception performance but also an exhilarating soundtrack, whilst remaining cost-effective, simple and reliable to operate.

Engine Spec

Max Power 431.3 hp
Max Torque 236.5 ft/lbs
Weight 105kg
Download Spec Sheet

RPE Ford EcoBoost 2.0L High Output

Radical were the first third-party manufacturer to adopt Radical’s award-winning EcoBoost engine technology in 2011, and since then we’ve developed the 2.0 to astounding heights. Using our experience garnered in single-seater and GT competition, this powerplant is ideal for a range of FIA-mandated championships globally.

Engine Spec

Max Power 360 hp
Max Torque 335 ft/lbs
Weight 115kg
Download Spec Sheet

RPE Ford EcoBoost 2.3L I4

The EcoBoost 2.3 is the latest addition to the RPE race engine stable. Our team can offer a range of tuning options suitable for standalone racing applications, or as performance improvements to trackday applications with the engine in its native Ford installation, including the Mustang and Focus ST.

Engine Spec

Max Power 362.1 hp
Max Torque 361.1 ft/lbs
Weight 115kg
Download Spec Sheet

RPE Ford EcoBoost 3.5L V6

As used in the race-winning Radical RXC GT3, the EcoBoost V6 is RPE’s largest and most powerful standard engine line, with power outputs exceeding 654hp in unrestricted form. It’s a durable, torquey and tractable engine, ideal for endurance racing competition and other long-distance, high-performance disciplines.

Engine Spec

Max Power 654.3 hp
Max Torque 530.9 ft/lbs
Weight 187kg
Download Spec Sheet

We also have experience with the following engine ranges:

  • Suzuki GSX-R 1000cc
  • Kawasaki ZZR 1100cc & 1200cc
  • Yamaha FJ 1100cc & 1200cc
  • Ford EcoBoost I4 Turbocharged 1600cc
  • Ford Cyclone 3700cc N/A V6
  • Honda K20, B16 & B18
  • GM Ecotec / XE
  • AR A-Series
  • Ford ‘Kent’ Crossflow

and many more