Description
Designed around 2003-2006 Evo 8/9 4G63T 85.5mm+.5mm Oversized Bore 8.5/9.0:1, this Manley Platinum Series piston listing organizes the available piston specification into one application-focused product page for easier engine-build selection. The parent listing is distinguished by 9.0:1, which should be cross-checked against the rest of the engine combination.
Compression target, deck height, valve clearance, ring end gap, and the selected connecting rod all interact with this 2003-2006 Evo 8/9 4G63T 85.5mm+.5mm Oversized Bore 8.5/9.0:1 piston choice; validate the complete short-block plan before purchase.
Key Product Details
- Application: 2003-2006 Evo 8/9 4G63T 85.5mm+.5mm Oversized Bore 8.5/9.0:1
- Manley Series: Platinum Series
- Title Specification: 9.0:1
- Product Family Detail: 2618-alloy forged piston construction
- Product Family Detail: tool-steel wrist-pin hardware on applicable part numbers
- Product Family Detail: moly skirt coating on applicable part numbers
- Manufacturer Part Number: 617005C-1
Package Quantity
Sold individually. This listing supplies one piston per selected SKU; order the quantity required for your engine and verify that all pistons match the machine shop’s bore/grade plan. This quantity applies to the selected Manley SKU family shown on this product page.
Selection & Fitment Notes
Machine-shop measurements should determine the final piston selection. Check bore class/grade, compression geometry, ring package, pin dimensions, and intended rod/stroke combination.
Professional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.