SC Twinkam Rotrex Supercharged Engine

SC Twinkam Rotrex Supercharged Engine
Please get in touch regarding pricing and information on this product.
With more than 30 years of engine building experience, the team of highly skilled engineers at Specialist Components have been building unrivalled engines for the Mini. Ranging from a 60hp A series refresh to full race 250+hp Rotrex powered Twinkam engines. All of our engines are built to the highest possible standard no matter what the spec, built for reliability and strength.

For more than 10 years SC have been offering their bespoke conversion of the BMW K1100 and K1200 motorbike cylinder heads for the A-series engine. In addition to the conversion we have also developed mounting which enables us to run a Rotrex supercharger. Capable of more than 250hp and over 175lbft of torque, this is an untouchable power plant.

Built to 2 main specs including a 200hp and a 250hp spec, basic spec consists of:

Fully converted and reconditioned K1200RS cylinder head with cams and gasflowing
AT Power bespoke billet throttle bodies
Rotrex C30-64 supercharger with ancills
SC Billet plenum chamber
Engine block acid dipped and re bored to 1293cc or 1310cc, surfaced
CP Custom forged pistons
New Mahle motorsport bearings
SC Steel conrods inc ARP bolts
ARP headstud kit
SC Tough crank / Steel crank
SC Twinkam conversion kit
Bi-metallic VHP head gasket
Stainless steel exhaust manifold (RACE)
SC Ancillaries pack
SC Engine management kit
Alternator kit
SC gearset or Dog engagement gearset
Quaife LSD
Ultra lightweight flywheel and clutch assembly


A complete ready to go engine like the above can be yours from just £15,500* + VAT. All of our engines can be shipped worldwide in purpose built shipping crates.

The above spec is a guideline and will vary.

Please contact us with your enquiries for a bespoke quote.

*Subject to specification and supply of donor engine.