Question: The Suzuki Hayabusa motorcycle engine from Japan is the basis for a sportscar produced in England by which company?

Context paragraphs:
Kawasaki ZZ-R1200: The Kawasaki ZZ-R1200 motorcycle was built by Kawasaki.  Identified by its model number ZX1200-C1, it is the successor to the ZX-11.  Considered a sport tourer, it features a twin-spar aluminum frame with four-stroke, DOHC, four-cylinder liquid-cooled engine.  It has double fans, double fuel pumps, and double headlights.  Additionally, hard touring bags can be added as an option.  With factory rear wheel horsepower of 145HP; it is widely regarded to be the most powerful production motorcycle ever built with carbureted induction.It was even more powerful than the fuel injected Honda CBR1100XX.  It has been said it was more powerful than any other production motorcycle carbureted or not @9800rpm where it made peak power except the Suzuki Hayabusa or ZX-12R. With a quarter-mile time of 10.12 seconds at 136.9 mph.

Palatov D1: The Palatov D1 is an American lightweight race car that was designed by American Dennis Palatov manufactured by his Portland, Oregon-based company Palatov Motorsport.  A proof-of-concept prototype (dp1) was constructed over a period of several years using a 4-cylinder engine from Suzuki Hayabusa motorcycle.  There are detailed blogs on the design, build and testing of the prototype.  After extensive testing the prototype was eventually retired and has since found a second life as the electric racecar.

Suzuki GSX-R/4: The Suzuki GSX-R/4 is a concept car made by Suzuki in 2001.  It reaches a top speed of 181 mph at 9800 rpm and weighs 640 kg .  It has a mid-mounted, 1.3 l DOHC engine taken from the company's flagship motorcycle, the GSX-1300R Hayabusa.  Designed as a showcase for technology, the GSX-R/4 was never meant for production.  It had upscale features for its time, such as GPS navigation.  Alongside the GSX-R/4, Suzuki presented the Formula Hayabusa, an open wheel race car concept, also using the 173 bhp motorcycle engine.

Honda CBR1100XX: The Honda CBR1100XX Super Blackbird was a Honda motorcycle, part of the CBR series made from 1996 to 2007.  The bike was developed to challenge the Kawasaki Ninja ZX-11 as the world's fastest production motorcycle, and Honda succeeded with a top speed of 178.5 mph .  Two years later the title passed to the Suzuki Hayabusa, which reached 194 mph .  The Blackbird is named after the Lockheed SR-71, also a speed record holder.

Suzuki: Suzuki Motor Corporation (Japanese: スズキ株式会社 , Hepburn: Suzuki Kabushiki-Kaisha ) is a Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan, which specializes in manufacturing automobiles, four-wheel drive vehicles, motorcycles, all-terrain vehicles (ATVs), outboard marine engines, wheelchairs and a variety of other small internal combustion engines.  In 2014, Suzuki was thought to be the ninth biggest automaker by production worldwide.

Suzuki Hayabusa: The Suzuki Hayabusa (or GSX1300R) is a sport bike motorcycle made by Suzuki since 1999.  It immediately won acclaim as the world's fastest production motorcycle, with a top speed of 188 to .

Powertec RPA: RPE RP-V8 is the name of a V8 engine series developed by Radical Sportscars in Peterborough, England for use in the SR8 sportscar.  The design is loosely based on the 1.3 L inline-four engine produced by Suzuki for their Hayabusa motorcycle.  The company have designed their own cylinder block and use existing Suzuki cylinder heads.  The two cylinder banks are inclined at 72-degree angle.  Lubrication is provided by a dry sump system.  The engine is mated to a purpose-built transaxle designed by Quaife.

Suzuki Stratosphere: Suzuki Stratosphere is a Suzuki concept motorcycle, powered by a 1100cc transverse narrow-bore 24-valve inline-6 engine, rated at 180 HP.  According to Suzuki press materials, the engine produced above 100 lb-ft of torque from just above idle all the way to redline.  The engine was reported to be three-quarters of an inch narrower than the Hayabusa 4-cylinder engine due to the narrow-bore spacing.  The prototype was first unveiled on October 22, 2005, at the 39th Tokyo Motor Show.  Its general design is based on and harks back to the original Suzuki ED1/ED2 Katana created by Target Design.

Minetti Sports Cars: Minetti Sports Cars is an Australian company which designs and constructs racing cars, based in the Sydney.  Founded by Mark William and based at Surfers Paradise in Queensland, Minetti started with the ZZ/I design, utilised for small engine capacity prototype sports car racing.  Since then Minetti have followed up with the SS-V1 design.  Both cars have utilised motorcycle sourced engines, mostly Suzuki Hayabusa, for powerplants to run in the Supersports category.  The earlier ZZ/I design has won championships at state level in both New South Wales and Queensland.

Westfield Megabusa: The Westfield Megabusa is a British-made Lotus Seven inspired car with a 1,299 cc motorcycle engine, taken from the Suzuki Hayabusa, and six-speed sequential gearbox.  The Megabusa is a road legal track car in at least some European countries.

Supporting paragraphs: Powertec RPA Suzuki
Answer: Radical