CP Pistons Forged Piston & Ring Set - Mitsubishi 4G63 Evo VIII/IX, 85.5mm Bore (+0.5mm)

The CP-Carrillo forged piston and ring set is built for the Mitsubishi 4G63 turbo engine in Evolution VIII and IX rebuilds. This configuration runs an 85.5mm bore in a +0.5mm oversize with a 94mm stroke and an 8.5 to 9.0 compression ratio, matching forged pistons to their rings for a boosted engine build. The set includes four pistons with rings.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy