JE Pistons Big Block Flat Top Pistons 281961R

These big block flat top pistons by JE Pistons are compatible with forced induction, nitrous, and angle-milled heads. Valve reliefs will accommodate oversized valves and long-duration, tight lobe separation cams. Their compression height is figured using a 9.780 in. block height with zero deck clearance. Precision CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings. These pistons will fit both open and closed chamber cylinder heads.Brand: JE Pistons
Manufacturer's Part Number: 281961R
Part Type: Pistons
Product Line: JE Pistons Big Block Flat Top Pistons
HP Direct Part Number: JEP-281961R
UPC: 193564194442
Piston Rings Included: No
Bore (in.): 4.625 in.
Bore (mm): 117.475mm
Stroke: 4.250 in.
Engine Stroke Type: Stroked
Actual Engine Displacement: 9.4L/571
Rod Length: 6.535 in.
Piston Style: Flat top, with single valve relief
Piston Material: Forged aluminum
Compression Height (in.): 1.120 in.
Piston Head Volume (cc): -3.00cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.990 in.
Piston Ring Thickness: 0.064 in. x 0.064 in. x 0.218 in.
File Fit: No
Gapless: No
Top Ring Thickness: 0.064 in.
Second Ring Thickness: 0.064 in.
Oil Ring Thickness: 0.218 in.
Remanufactured: No
Quantity: Sold individually.
Notes: Designed to fit right exhaust valve orientation. Oil rail support included. Will also work with 638 cubic in. engines with a 4.750 in. stroke and 6.700 in. connecting rod.