Norton Commando, 750cc Stock-Rod, Best Quality, Billet Piston Set

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$275.00

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Race proven and tested under the harshest conditions

High-silicone content for super strength!

4032’s low-expansion properties allows for tighter running clearances which reduces needless engine noise and extends piston life

Each billet piston is fully CNC machined using the latest SolidWorks software resulting in the lightest possible weight and even heat distribution throughout

This is the lightest, commercially available, vintage, British bike, piston kit on the market

Micro-grooved piston skirt for longest life and resistance to scuffing

Second ring-land accumulator groove helps prevent the unloading of the top ring from trapped blow-by gases

Updated wrist-pin oiling with four pressure-fed location holes. This increases oil volume to the pin and limits heat buildup in the small end of the rod and wrist pin

Dual clocked pin bore grooving holds and disperses the oil around the wrist pin

Race-proven ring pack built by the highest quality, performance ring manufacturer (see ring specs below). Modern metric sizing for the least amount of friction with the best heat transfer for cooler running piston and longer piston life

Tapered wrist-pin inner diameter for rigidity and lightweight

Race-type SpiroLoc wrist pin clips for added reliability - they will not ever come out!

Our piston kits are race-tested world wide!

Compatible with Nikasil plated bores

Includes:

Two race-proven, billet alloy pistons

Two sets of high-performance piston rings

Two lightweight wrist pins

Four SpiroLoc wrist pin clips

Full installation instructions

Piston Rings:

1.0mm Nitrided stainless steel barrel-face top ring

1.2mm Ferrox iron “Napier-style” second ring

2.8mm Nitrided stainless steel rails with expanded (three-piece design) oil ring

Component weights:

Piston (based on standard size piston)

MAP9030A 750cc Stock Rod 8.5:1 compression (9:1 Combat) 228 grams

MAP9031A 750cc Stock Rod 10.0:1 compression (Combat requires mods) 237 grams

Pin with clips: 60 grams

Rings: 16.5 grams

Note:

These pistons work best with premium pump gas

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Norton Commando, 750cc Stock-Rod, Best Quality, Billet Piston Set

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