C.A.T. Honda Classic Racing
Classic motorcycle race parts specialising in
Honda twin 350 K4

CAT components and services are used by top tuners and home builders in many country’s with numerous top results and championships now achieved.

Honda 350 Twin Classic Racing Motorcycle
Honda 350 Twin Classic Racing Motorcycle Club winning machine

Ceramic alloy linerCeramic alloy liner
Ceramic alloy liner conversions to all twin and single cylinder engines, close tolerance diamond hone cross hatch finish. Improves motor efficiency, weight saving, better heat dispersion, eliminates risk of expansion seizure, improves BHP. Service includes full renovation of cylinder, decking etc.

CAT/Wiseco forged race pistons
RSC paten. These pistons have forced pin oiling from oil control ring groove, oil retaining lands and second land pressure reservoir. To add safety to performance ,these pistons now come as standard with piston detail to accept Spirolux pin retaining clips. These clips far out perform any wire clip retainer. CAT piston kits comprise of 1 x piston 1 x set of high performance rings, 1 x Gudgeon pin and 2 x high heat stainless steel double Spirolux retaining clips.

CAT/Wiseco forged race piston Spirolux pin retaining clips

CAT Honda Race ValvesCAT Honda Race Valves
Valves are one piece forged stainless steel, wasted to assist with port flow. Lightweight and incredibly strong, stem finish is state of the art pulse plasma. This finish works well in Standard guides and Bronze guides. Valve tip finish is Stellite. CAT valves will NOT burr or peen over in use. A further advantage of using CAT Race valves is that they have two collet grooves. This allows flexibility with regards to fitted spring lengths and spring base thicknesses.

Valve weight inlet 42gms
Valve weight ex 40 gms

Crank lighteningCrank lightening
Crank lightening, polishing, rebuild service matched and polished con rods, small end bushes, rocker arms matched and polished. Camshafts both megacycle and joy. Standard or lightened and polished to customer requirements, spring sets including titanium caps, collets and spacers etc. Standard finish or with polished caps. High tensile cylinder head studs sets.

Camshaft conversions
Camshaft carrier conversion to heavy-duty needle rollers, includes hard sleeving of camshaft, fitting of needle rollers into modified carriers. Camchain steel tensioner roller complete with needle roller for fitment to standard arm. Camchains best quality DiD. Close ratio gear clusters utilising some standard gears. Sprocket and chain sets alloy rear, full range of sizes, steel front, the best Regina 520 GP chains

Disc Brakes Cast iron

Cast iron disc
Disc Brakes Cast iron discs fitted to your carriers for all classic applications complete with zinc finish for best results use standard pads. Fuel tanks RSC style, and seats in alloy complete with Monsa filler cap and strap can be supplied with decals and painted or just self colour.

Standard clutch basket improvements

Clutch basket improvements
Standard clutch basket improvements, lightening, truing


Classic Honda Race Parts for sale
Download Price list (PDF file 229kb) Race Components For 350 Honda Twin K4

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L. A. Cooper Engineering
Glendale Works
25 Sandhurst Road, Crowthorne, Berkshire RG45 7HR
Tel: Crowthorne (01344) 780602
E-Mail sales@cateng.co.uk

© L. A. Cooper Engineering