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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.
Forged Head Relief Design
VMS 75 Alloy Forgings
Break-thru Oil Returns
Broached Pin Holes
Heavy Duty Pins & Lock Rings included
Part Type: Pistons
Model: FHR Series Forged Pistons
Application: Ford Small Block V8 (Ford SB 289/302/393W)
Piston Style: Flat Top w/ 4 Valve Relief
Cylinder Bore: 4.030"
Compression Distance: 1.608"
Crankshaft Stroke/Rod Length: 2.780" with 5.155" Connecting Rod (Ford SB 289)
Deck Height: 8.206" (Ford SB 289/302) | 9.500” (Ford 393W)
Dome Volume: 11cc
Compression Ratio: 2.780" Stroke w/54cc Heads: 8.8
Compression Ratio: 2.780" Stroke w/58cc Heads: 8.4
Compression Ratio: 2.780" Stroke w/64cc Heads: 7.9
Crankshaft Stroke/Rod Length: 3.000" with 5.090" Connecting Rod (Ford SB 302)
Compression Ratio: 3.000" Stroke w/54cc Heads: 9.4
Compression Ratio: 3.000" Stroke w/58cc Heads: 9.0
Compression Ratio: 3.000" Stroke w/64cc Heads: 8.4
Crankshaft Stroke/Rod Length: 3.850" with 5.956" Connecting Rod (Ford SB 393W)
Compression Ratio: 3.850" Stroke w/54cc Heads: 11.8
Compression Ratio: 3.850" Stroke w/58cc Heads: 11.2
Compression Ratio: 3.850" Stroke w/64cc Heads: 10.5
Piston Material: Forged 4032 Alloy
Accumulator Groves: Yes
Forced Pin Oilers: No
Gas Ports: No
Skirt Coating: No
Lock Removal Indents: No
Average Piston Weight: 528
Wrist Pin Style: Press-Fit or Floating
Wrist Pins Included: Yes
Wrist Pin Size: .912" x 2.750"
Average Wrist Pin Weight: 131
Pin Lock Included: TruArc
Ring Grove Sizes: 1/16", 1/16", 3/16"
Piston Rings Included: No
Manufacturer: United Engine & Machine Company
Manufacturer's Part Number: IC9972.030
Weight: 14.0 lbs.
Warranty: Sold without warranty or guarantee of any kind
Quantity: Sold as Sets of 8
Note: Offset pins. Features 1/16", 1/16", 3/16" ring grooves.
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