PRO Diamond

PROFORMANCE the next generation of aircooled engines, using state-of-the-Art technologies.




Capable of 250Hp/ 275Nm, this type 1 aircooled engine was created as a drop-in replacement for the stock type 1 12-1600cc power plants, it has now a capacity of 2387cc and features a JPM swirl port design.




● Machined new VW AS41 T1 Crankcase, shuffle pined

● Bore x stroke 94mm x 86mm

● Full flow with extra sump and external oil filter and cooler

● HD oil pump

● Aeroquip hozes and fittings

● Breather system

● Balanced CSP pulley /forged crankshaft/ CHRMOLY flywheel/

  reinforced clutch

● H beam rods

● All Kolbenschmidt bearings

● JPM camshaft with HD lifters

● JPM reinforced rockerarm assembly with 1.45 rockers

● Static compression ratio 12.5 to 1

● JPM heads

● Weber 48 IDA carburators with bellcrank linkage, JPM velocity stacks and

  upgraded venturis

● JPM Whasp exhaust system with equal lenght pipes, for maximum performance and drivability

● Top quality

● These handcrafted blue printed engines are dyno tested and ready to install!

● Limited warranty due to competition use!



15.749,99 €

  • Available
  • Delivery time: More than 2 weeks1