JE Pistons 427/428 FE Dome Top Pistons 168741R

JE Pistons 427/428 FE dome top pistons are specially designed for OEM blocks and heads, and are for use with the 427 or 428 crank. Designed with a minor +.017 inch overbore for cast iron blocks, these pistons use a 4.250 inch ring set with 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, please contact manufacturer for more details.Brand: JE Pistons
Manufacturer's Part Number: 168741R
Part Type: Pistons
Product Line: JE Pistons 427/428 FE Dome Top Pistons
HP Direct Part Number: JEP-168741R
UPC: 193564193933
Piston Rings Included: No
Bore (in.): 4.250 in.
Bore (mm): 107.950mm
Stroke: 3.980 in.
Engine Stroke Type: Stroked
Actual Engine Displacement: 7.4L/451
Rod Length: 6.490 in.
Piston Style: Dome, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.670 in.
Piston Head Volume (cc): +2.50cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in.): 0.975 in.
Piston Ring Thickness: 0.064 in. x 0.064 in. x 0.188 in.
File Fit: No
Gapless: No
Top Ring Thickness: 0.064 in.
Second Ring Thickness: 0.064 in.
Oil Ring Thickness: 0.188 in.
Remanufactured: No
Quantity: Sold individually.
Notes: Designed to fit right exhaust valve orientation. Designed for use with 428 crankshaft.