JE Pistons FSR Hollowdome GP Pistons 301451R

JE Pistons' FSR hollow dome GP pistons, available in a 350 or 400 Series, are the forged side relief versions of their popular 23-degree domed pistons, and they are ideal for circle track and drag racing. Up to 70 grams lighter than traditional "full round" pistons (including wrist pins and rings), these hollow dome gas-ported pistons are also stronger and more durable due to modern FEA-designed forging. They feature accumulator grooves, contact reduction grooves, double pin oilers, lateral gas ports, and deeper valve pockets to accommodate higher lift cams and milled cylinder heads. JE Pistons 23-degree 350 and 400 Series FSR hollow dome GP pistons will accept a low-friction .043/.043/3.0mm ring package (not included).Brand: JE Pistons
Manufacturer's Part Number: 301451R
Part Type: Pistons
Product Line: JE Pistons FSR Hollowdome GP Pistons
HP Direct Part Number: JEP-301451R
UPC: 193564211545
Piston Rings Included: No
Bore (in.): 4.165 in.
Bore (mm): 105.791mm
Stroke: 3.875 in.
Engine Stroke Type: Stroked
Actual Engine Displacement: 6.9L/422
Rod Length: 6.000 in.
Piston Style: Dome, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.062 in.
Piston Head Volume (cc): -10.80cc
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 right exhaust valve orientation with 20/30 valve spacing. Oil rail support included.