DSS RACING SX SERIES PISTONS 18CC DISH 4.6 OR 5.4 2V and 4V ENGINES
Forged from Aircraft spec 4032 Alloy.
CNC machined valve reliefs for moderate
performance heads and cam combinations.
Precision-honed Pin Bores.
Heavy-duty Piston Pins.
Full-Floating or Press fit.
Double True Arc Pin Locks.
Drilled, Forced wrist pin oiling.
Drilled bottom ring land intersecting oil
groove drain backs.
Blower, Turbo, NOS ready!
These forged SX SERIES pistons are a great value for a street or race mild performance build. These pistons do not come with any valve reliefs and can be used on any 4.6 or 5.4 2V SOHC or 4V DOHC engine application. WILL NOT FIT 4.6 3V because a specific 3V valve relief is needed. May be used with 5.4 3V engines as the piston is down far enough at top dead center that no relief is needed.
Pistons come with pins and locks but DO NOT INCLUDE RINGS. You must use rings made for these pistons. Available as a package price in options chosen when adding to our cart.
Bore sizes available: 3.552" (STD), 3.572" (.020"), and 3.582" (.030")
Compression Height: 1.210"
Pin Size: .866" (OEM Size)
Dish/Dome Volume: -18cc (dished)
Ring Grooves: 1.5mm, 1.5mm, 3mm
4.6 2V PI = 9.6:1
4.6 4V = 8.7:1
5.4 2V PI = 8.8:1
5.4 3V/4V = 8.25:1