ICON FHR PISTON BBC SET

Name: ICON FHR PISTON BBC SET
Brand: UNITED ENGINE MACHINE
SKU: 648-IC9981.010
Price: 751.37 USD
Availability: InStock

^$751³⁷

Ships on 09/09/2026

Lowest Price Guarantee

Chevy 396/402ci

Dome Top Pistons

Solid Dome .204''
4.135'' Bore (+.040'' 396; +.010 402)
Use w/6.135'' Connecting Rod & 4.000'' Crank Stroke
10.9:1/96.5cc; 10.0:1/105cc; 8.9:1/119cc Compression Ratio
8/pkg.

Notes: Designed to use a 396 block with a 454 crankshaft. Centered pin. No mini grooves on top land. For a 396ci engine (4.095" std bore), this piston will be a .040" over bore. Compression ratio will be 10.9 on 96.5 head (Closed chamber head).
Technical Specs:
Alloy: Premium 4032 Alloy
Bore: 4.135'
Crankshaft Stroke: 4.000'
Connecting Rod Length: 6.135'
Deck Height: 9.800'
Compression Height: 1.645'
Pin Size: 0.990' x 2.750'
Pin Location: Centered
Solid Dome Top: .204'; 17cc; 1 Valve Relief (Closed Chamber Design)
Intake Valve Relief: N/A
Exhaust Valve Relief: N/A
Top Landing Height: 0.310' (No mini grooves on top land)
Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
Lock Ring: LR984A Round Wire
Gram Weight: 605/141
Compression Ratio: 10.9:1 w/96.5cc Heads; 10.0:1 w/105cc Heads; 8.9:1 w/119cc Heads