Classic Fiat 500 126 750cc 82mm Big Bore Piston & Cylinder Race Kit

Unlock the performance potential of your Fiat 500 D, R, F, L or Fiat 126 with the Athena 750cc Big Bore Kit, developed by Athena’s R&D department for maximum performance, reliability and durability.

KIT INCLUDES:

• 2 x Aluminium cylinders with Nickel-Silicon Carbide (Nikasil) coating.
• 2 x Forged flat-top racing pistons with anti-friction coating (including rings, rods & clips).
• 1 x Precision laser-cut steel cylinder base plate.

KEY FEATURES:

• Aluminium cylinders provide superior heat dissipation compared to traditional cast iron.
• Nikasil coating reduces friction, piston ring wear and cylinder wear.
• High-silicon forged aluminium pistons offer excellent thermal stability and tighter tolerances.
• Molybdenum disulphide piston coating reduces friction and improves smoothness.
• Precision steel base plate ensures accurate installation and optimal squish clearance.

Developed and extensively tested on the bench and track, this kit delivers an exceptional combination of power, reliability and durability.

Proven performance: A Fiat 126 hillclimb engine equipped with Athena’s 700cc Big Bore Kit achieved an impressive 50 HP – more than double the original engine’s output.

A premium performance upgrade for enthusiasts looking to take their classic Fiat engine to the next level.

PLEASE NOTE: Proper installation of the cylinder kit requires a crankshaft with a 70mm stroke and connecting rods with a 130mm centre-to-centre distance. (These parts are not included in the kit but are available to purchase separately)

This product is intended to be fitted by a trained professional. English instructions can be provided.