Aluminium Engine Blocks

We have designed and manufactured the ultimate classic Mini A+5 high performance engine block and auxiliaries.

This is a unique bespoke design 1273cc engine block, machined in aluminium to deliver lightweight style and performance.

A range of auxiliary parts and alternative engine configurations are available:

  • 998cc K16v head
  • 998cc 12G940 head with 11 studs
  • 1171cc for K16v head
  • 1171cc 12G940 head with 11 studs
  • 1273cc for K16 head

The transverse front wheel drive Mini engine and rear wheel drive in-line version provide performance for Mini enthusiasts around the world.

Engine Block Features

Bespoke 75mm crankshaft, weighing 8kg (classic mini weighs approx. 12kg)

Block weighs less than 1/3 of the original short block design

5 main bearings, 3 central main bearing end caps use 4 bolt fixings

HIX beam conrods

Long rod ratio 2:1 to take Omega pistons, can be manufactured to take alternative pistons on request

Bespoke head gasket

Aluminium Engine Blocks
A+5 Engine Block

Designed to retrofit BMW K1200 head

Capable of 10,000 RPM (based on working limits of cylinder liners)

Under piston oil squirts

Cylinder Head long stud configuration

Closed deck

Dry and Wet sleeve liners

NA or Turbo configuration

Anodised Aluminium finish in various stylish colours (preventing water corrosion)

Machining A+5 engine blocks on 5 Axis CNC

How A&M Machines Engine Blocks