This is an upgraded 1275 Classic Mini Engine, built to the new 2025 Grand Tourer (GT) specification. Grand Tourer - Building on the strong foundations of the Sports package. Fully balanced bottom end including new Clutch and Flywheel. Fully dialed in timing with Vernier duplex system. Stage 2 (GT) Cylinder head CC checked or optimum CR, High Torque MCCS GT Camshaft.
2025 Update:
Now with Hepolite Racing Pistons
UK Specification 1.3 Forged Rockers
Classic Mini Grand Tourer GT - Balanced, MCCS GT Cam,Stage 2 Head
Note: Gearbox
If you choose the complete package with Gearbox, This comes fully assembled with Dropgears, Primary Gear, Clutch, Flywheel and all covers. It is a drop in unit that only needs your ancillary items.
1330 Grand Tourer Engine is built to the specifications below.
Selected 1275 Engine Block - 9 Stud, Crank Shaft, Con Rods.
Chemically cleaned, Thoroughly checked, inspected.
Machined to include, Boring (+020 or +060), New Cam bearings, Skimmed fire face.
Machined Centre Main - Centre Strap.
New Core Plugs (Water and Oil)
Balanced and Machined crank - Balanced to Rods, Clutch and Flywheel
New TRI-METAL King Main Bearing Shells.
New Thrust Washers, Shimmed correctly.
New TRI-METAL King Big End Bearing Shells.
Hepolite Racing High Perfornance Pistons.
New Vernier Duplex Timing Chain Kit Fitted and Shimmed with Crank correctly.
MCCS GT Profile Camshaft installed. Timed Correctly.
New Large Impeller Water Pump
New Billet Oil Filter Housing.
Braided Oil Feed Pipe.
Distributor Drive Fitted.
New iSKY Cam Followers
New Push Rods
Stage 2 (GT Specification - 9 Stud) Large Valve 12G940 Cylinder Head.
New UK Specification Forged Rocker Assembly. Aligned correctly and Shimmed for correct geometry.
MCCS Breather Rocker Cover.
Oil Pressure Sensor Fitted.
Oil Pressure Relief Valve Fitted.
Timing Cover Fitted.
All new hardware.
New Gaskets
New Clutch, Flywheel and Ring gear.
Retro Sport (DSN) Billet Upgrade for:
Pressure Relief Valve Nut
Rocker Cover Bolts
Fuel Pump Blank (where block requires)
Oil Filter Housing
Gearbox Specifications:
Reconditioned helical transmission with all new ball bearings.
Performance layshaft
Centre oil pick up pipe,
3.1 Cross Pin Diff fitted.
Any faulty gears replaced.
















