DSS Racing Piston Set 1903-3780; SX Series 3.780 in. -15.00 cc Dish for 1999 to 2018 GM LS

$599.95

Part #: 1903-3780

Brand: DSS Racing

UPC: 194403011265

Estimated Ship Date: 6/4/2025 (From manufacturer)

Specifications Recommended Alternative Parts

This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.

Details

Forged from Wear Resistant 4032 Alloy
Light Weight Design
Machined Valve Reliefs for Moderate Performance Head and Cam Combinations
Precision CNC Honed Pin Bores
DSS Heavy Duty 8720 Bearing Steel Piston Pins
Full Floating or Press Fit
Double True Arc Pin Locks Provide Redundancy
Drilled Oil Ring Drain Backs
Drilled Forced Wrist Pin Oiling
Precision Diamond-Turned Skirts
Forged and Machined in Saint Charles Illinois USA!
Boost and NOS Ready! (Mild to Moderate Levels)
Recommended ring set - DSS RS-DM200-3780

Product Description

SX Pistons: Need the performance, strength and reliability of a forged piston, but not looking to break the bank? Take a look at DSS Racings SX Series Forged Pistons. Forged and machined in the U.S.A. from premium aircraft quality 4032 low expansion alloy, these pistons are a great choice for naturally aspirated, nitrous or boosted combinations. DSS Racings SX Series pistons have many High-End features that are not found on pistons in this price range. Features like generous CNC machined valve reliefs, forced pin oiling, drilled bottom land Intersecting oil groove drain backs, precision honed piston pin bores, diamond turned high strength skirts and high precision high strength wrist pins. If you compare our SX series to other offerings, it's easy to realize the unmatched value of this product. While we have had customers make 1000 horsepower with SX Series forged pistons, for applications over 600 HP you should consider the longevity, durability and performance gains that our FX Series pistons offer.

Specifications

Piston Set Series:
SX Series: Year:
1999 to 2018: Make:
GM: Engine:
LS: Bore:
3.780 in.: Stroke:
4.000 in.: Rod Length:
6.125 in.: Compression Height:
1.115 in.: Crown Volume:
-15.00 cc Dish: Cylinder Head Volume to Calculate Compression Ratio:
66.00 cc: Compression Ratio:
9.15:1: Pin Diameter:
0.927 in.: Piston Material:
Forged 4032 Alloy: Ring Lands:
1.5, 1.5, 3.0 mm: Gas Porting:
None: Wrist Pin Fitment:
Press Fit or Floating: Rings Included:
No: Notes:
LS Dish Top: Quantity:
Sold As Set (8/pkg)

Alternative Parts

DSS Racing Piston and Rings Kit K1903-3780; SX Series 3.780 in. -15.00 cc Dish for 1999 to 2018 GM LS

DSSK1903-3780

$754.95

Estimated Ship Date: 6/4/2025 (From manufacturer)