Manley Subaru WRX EJ25 99.75mm -17cc Dish 8.5:1 CR Turbo Tuff Series Piston Set w/ Rings
Subaru EJ257 Turbo Tuff Pistons by Manley Performance
Specifically designed for the enthusiast seeking nothing but the absolute “best of the best”, Manley Performance Turbo Tuff pistons deliver everything and more! Manley Performance has engineered and manufactured their pistons for the most demanding environments.
High strength 2618 alloy forgings, material in the correct places supporting proper cross sectional thickness in the highest stressed and critical areas, machined struts, the right ring stack and ring package with premium steel tops and Napier seconds, valve pockets to accommodate +1mm oversize valves, coated skirts and vertical gas ports all contribute in making these the ultimate pistons.
Features
- 2618 high strength material
- Offset wrist pin for quiet start-ups
- 2.500” x .180” wall Premium Chrome Moly pin
- Pressure balance groove
- Will accommodate +1mm valve sizes
- Premium Steel top rings with Napier seconds and round wire locks included
Recommended piston clearance: .003” for mildly boosted and .0035” for highly boosted measured .850” (79/83mm stroke) and 1.100” (75mm stroke) from the bottom of the oil ring
Applications
- 2004 - 2019 Subaru STI
Specifications
- Bore Size: 99.75mm (+.25mm Over)
- Rod Length: 5.137"
- Comp Distance: 1.209"
- Dome Volume (cc): -17cc
- Cylinder Head (cc): 57cc
- Comp Ratio: 8.5
- Piston Type: Dish
- Piston Weight: 421g
What's In The Box?
- 1 - Turbo Tuff Piston Set
- Piston Rings and Pins
Warranty
- Manufacturer Standard Warranty
PREracing
13339 NE Airport Way #500
Portland, Oregon
97230
Store Hours
Mon-Fri: 9:00am - 6:00pm
Sat-Sun: Closed
Christmas Eve: 9:00am - 1:00pm
Christmas Day: Closed
Please make sure you recieve an email saying your order is ready for pickup before arriving.
Need To Get Your Parts Installed? We offer in-house installs, alignments, wheel and tire packages, and so much more! Contact us to get a quote!
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