JE Pistons FSR Tour Series GP Pistons 281853L

JE Pistons FSR tour series GP pistons are a lightweight design specifically made for naturally aspirated Circle Track or drag race applications up to 650 hp. Their ring package has been raised for maximum efficiency. These pistons are an aggressive, competition-only design, not intended for street or nitrous use. Their ring grooves are precision-machined for .043, .043, 3.0mm rings and their valve reliefs will accommodate angle-milled aftermarket cylinder heads.Brand: JE Pistons
Manufacturer's Part Number: 281853L
Part Type: Pistons
Product Line: JE Pistons FSR Tour Series GP Pistons
HP Direct Part Number: JEP-281853L
UPC: 193564212023
Piston Rings Included: No
Bore (in.): 4.030 in.
Bore (mm): 102.362mm
Stroke: 3.500 in.
Engine Stroke Type: Stock
Actual Engine Displacement: 5.9L/357
Rod Length: 6.250 in.
Piston Style: Flat top, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.000 in.
Piston Head Volume (cc): -4.10cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.927 in.
Piston Ring Thickness: 0.043 in. x 0.043 in. x 0.149 in.
File Fit: No
Gapless: No
Top Ring Thickness: 0.043 in.
Second Ring Thickness: 0.043 in.
Oil Ring Thickness: 0.149 in.
Remanufactured: No
Quantity: Sold individually.
Notes: Designed to fit left exhaust valve orientation with 20/30 valve spacing. Oil rail support included. Also works with 3.480 in. stroke engines.