Icon Pistons FHR (Forged Head Relief) Series
Icon FHR (Forged Head Relief) Series features 4032 alloy, true arc-style lockrings, broached pin holes, break-through oil returns, and 5/64" ring grooves... all designed to be easy on your wallet! In addition, most flat top and dish applications are available in an offset pin design which will help quiet those street motors. Lock rings and pins included. Most available in std., .030", .040" and .060" over sizes. Sets of 8.
Die Formed Valve Reliefs
Mini Grooves
- allow overheated piston to tranfer heat to wall
- reduce friction on solid land
Accumulator Grooves help stablize flutter and maximize ring seal
Skirts machined by UEM's in house bulit CNC machines
Tru-Arc Lock Rings
Part Type: Pistons
Model: FHR Series Forged Pistons
Application: Pontiac V8
Piston Style: Flat Top with 4 Valve Reliefs
Cylinder Bore: 4.120"
Compression Distance: 1.714"
Crankshaft Stroke/Rod Length: 3.750" with 6.630" Connecting Rod (400ci)
Deck Height: 10.250"
Dome Volume: -10.8cc
Compression Ratio 4.000" Stroke w/54cc Heads: 10.1
Compression Ratio 4.000" Stroke w/58cc Heads: 8.8
Compression Ratio 4.000" Stroke w/64cc Heads: 8.2
Piston Material: 4032 Alloy
Accumulator Groves: Yes
Forced Pin Oilers: No
Gas Ports: No
Skirt Coating: No
Lock Removal Indents: No
Average Piston Weight: 563
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Yes
Wrist Pin Size: .980" x 3.000"
Average Wrist Pin Weight: 149
Pin Lock Included: Tru-Arc
Ring Grove Sizes: 5/64", 5/64", 3/16"
Piston Rings Included: No
Manufacturer: United Engine & Machine Company
Manufacturer's Part Number: IC9946
Weight: 13.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
Note: Offset Pin. Will work with 14 & 20 degree heads. |