JE Pistons 427/428 FE Flat Top Pistons 242934R

Specially designed for the latest aftermarket blocks and heads, JE Pistons 427/428 FE flat top pistons are for use with aftermarket 4.250 inch crank and aftermarket 6.700 inch rods. The factory block should be sonic checked for 4.280 in. and 4.310 in. bores. These pistons use 1/16, 1/16, 316 rings. The compression ratios are figured for 10.150 block heights. Larger bore sizes are available as customs, please contact manufacturer for details.Brand: JE Pistons
Manufacturer's Part Number: 242934R
Part Type: Pistons
Product Line: JE Pistons 427/428 FE Flat Top Pistons
HP Direct Part Number: JEP-242934R
UPC: 193564193995
Piston Rings Included: No
Bore (in.): 4.280 in.
Bore (mm): 108.712mm
Stroke: 4.250 in.
Engine Stroke Type: Stroked
Actual Engine Displacement: 8.0L/489
Rod Length: 6.700 in.
Piston Style: Flat top, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.325 in.
Piston Head Volume (cc): -5.00cc
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 0.188 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.