email us at topendmail@gmail.com           Call us at 1 818 764-1901
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Business Hours:   Mon-Fri. 9:00am - 4:30pm Pacific Time
Closed from 12:30-1:30 for Lunch. 
Phone: (818)764-1901
Email Us: topendmail@gmail.com
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EJ257 BILLET FSR

EJ257 BILLET FSR

SUBARU EJ257 BILLET FSR
Dome/Dish requires no deburring or preparation
100% CNC machined billet piston
Specifically designed for high horsepower Subaru racing engines up to 1200hp
Manufactured from high quality, certified 2618-T6 aluminum alloy Internal and external strut braces
Premium 9310 steel wrist pins included (.905 x 2.250"), DLC upgrade available
Pin fitting, Tru Arc locks, and rings included

Don't see what you need?  We will build a custom set of pistons for any application.  Just click here to send us a

EJ257 BILLET FSR

Parts# Bore Oversize Stroke (mm) Rod (mm) C/D (mm) Head CC's C/R With .040 Dome CC's Included Ring Set Price
310927 99.5 STD 79 130.5 30.7 57 8.8:1 -14.1 JG4904-3917
$1,228.65
286463 100 0.5 79 130.5 30.7 57 8.8:1 -15.1 JG4904-3937
$1,228.65

Thanks to all of you keeping us so busy the last few months we have to make a change to our Phone hours.

We can be reached via Phone Mon-Fri 10:00am to 3:00pm Pacific time. 

The Shop is open and we are working normal hours but we need those extra hours to catch up on Engine work, Carb rebuilding, and shipping. 

If you call before or after the hours of 10:00am - 3:00pm leave us a detailed  message and we will call you back. 
You can always shoot us an email at topendmail@gmail.com 
Obviously you are seeing this on the website so much of what you may need will be here...


Thanks for understanding and for all the support that is keeping us so busy....

Steve Nelson
Top-End Performance