Manley 99.75mm (+.25mm) Overbore Pistons Subaru WRX 2006-2014 / STI 2004-2021

Manley PerformanceSKU: man612002C-4

Price:
$507.31
Stock: More than enough

Description

Customer Reviews

Based on 2 reviews
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Manley platinum pistons Update

Update: pistons lasted 26k miles. Piston 4 broke ringlands.
Reason for failure: machine shop states: too much boost (24pounds), pistons need more than .21 piston to wall clearance if running more than 20 pounds of boost.
Overall: 05 Sti was used as a daily driver, with power gradually increasing pistons started to burn oil after 15k, about a quart a month. at 24k 1 quart a week, at 26k lots of vapor and 1 1/2 quarts a week till kaboom!. Overall tough pistons withstood lots of abuse

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Manley pistons on 2005 subaru sti

Used theses pistons on my EJ257 rebuild. matched this with BC RODS and stock crank. Pistons are very vey quiet used .21 for clearances, assembled by yours truly. currently 5,000 miles on a break in tune. very happy with this pistons.
Update: pistons lasted 26k miles. Piston 4 broke ringlands. Reason for failure: machine shop states: too much boost (24pounds), pistons need more than .21 piston to wall clearance if running more than 20 pounds of boost. Overall: 05 Sti was used as a daily driver, pistons started to burn oil after 15k, about a quart a month. at 24k the car 1 quart a week, at 26k lots of vapor and 1 1/2 quarts a week. Overall tough pistons withstood lots of abuse

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