675cc 82mm ‘PISTA’ big bore Piston kit by Gabro Racing Team

675cc 82mm ‘PISTA’ big bore Piston kit by Gabro Racing Team

Single ring, raised compression, big bore pistons kit.

Description

The ultimate performance enhancer. The kit includes

• 2x 82mm PISTA piston made from billet aluminum via CNC machining
• 2x 82mm rings set

Raised 14.5/1 compression (13.5 stock) they need to be used at least with 100 octane (EU).

Who This Product is For

Fits any 21-24 RS and Tuono 660. It’s a race product, it needs a proper assembly including ring gapping and valves to pistons clearances check

Technical Details

The single ring design and enlarged valve pockets allow the use of the OVERSIZED EXHAUST VALVE KIT

Rings are supplied with the kit. The kit uses the stock piston pin, pin circlips and stock head gasket.  These components, if needed, must be sourced separately.

https://www.aspecialparts.com/shop/engine/piston-pin-2a000630/

https://www.aspecialparts.com/shop/engine/seeger-ring-piston-pin-2a000450/

https://www.aspecialparts.com/shop/engine/cylinder-head-gasket-rs660-tuono-660-tuareg-660/

Case overboring instruction supplied (it needs complete motor disassembly and specific shop work for the overbore)

NOTE: DELIVERY APRIL 2025