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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC744.070
ICON Premium Forged Small Block Chrysler 360 ci Piston Set 4.070 in Bore
$68484
Ships on 11/03/2026
Lowest Price GuaranteeSmall Block Chrysler 360ci Forged PistonsFlat Top 2V 4.070 in. Bore (+.070 in.) 6.123 in. Connecting Rod 4.000 in. Crank Stroke 5 cc Head Volume Comp. Ratio: 12.4/60 cc; 11.5/65 cc; 11.0/70 cc Set of 8
Technical Specs:
- Alloy: Premium High Ductility 2618
- Bore: 4.070 in.
- Crankshaft Stroke: 4.000 in.
- Connecting Rod Length: 6.123 in.
- Deck Height: 9.599 in.
- Compression Height: 1.465 in.
- Pin Size: 0.9842 x 2.750 in.
- Pin Location: Centered
- Flat Top: 2 Valve Reliefs
- Effective Head Volume: 5 cc
- Intake Valve Relief: 0.243 in. Depth / 2.200 in. Diameter
- Exhaust Valve Relief: 0.232 in. Depth / 1.720 in. Diameter
- Top Landing Height: 0.222 in.
- Ring Grooves: 1/16 in. Top; 1/16 in. Middle; 3/16 in. Bottom
- Gram Weight: 507/118
- Compression Ratio: 12.4:1 w/60 cc Heads; 11.5:1 w/65 cc Heads; 11.0 w/70 cc
United Engine and Machine Company is proud to introduce our new Icon line of forged pistons. Icon brings the same quality and performance you've come to expect from other United Engine brands while adding a new lightweight forged design. No matter your high performance application, there is an Icon piston for you.
Features:
- High ductility 2618 alloy
- Perfect for Nitrous, Turbocharged and Supercharged Apps
- Dual forced pin oiling on most applications
- Lateral gas porting on higher compression ratios
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- Fully machined with deep valve pockets
- Second land accumulator grooves
- Top land mini groove technology
- Diamond finished skirts
- Triple wound spiral locks
- Spacer rings included in short compression heights that intersect the wrist pin bore
- Sold in Sets (except when noted as 1 piston per package)
Part TypePiston
Product LineUEM Pistons Icon Premium Forged Series Small Block Chrysler Pistons
BrandUNITED ENGINE MACHINE
Package Height5.0
Package Width9.25
Package Length18.25
Weight5.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC744.070
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
