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United Engine Machine IC989. STD Big Block Chevy 427ci Forged Pistons Hollow Dome
Big Block Chevy 427ci Forged PistonsHollow Dome 4.250" Bore (STD)6.385" Connecting Rod 3.760 Crank Stroke-38cc Head VolumeComp. Ratio: 10.8/119cc8/pkg Technical Specs:Alloy: Premium High Ductility 2618Bore: 4.250"Crankshaft Stroke: 3.760"Connecting Rod Length: 6.385"Deck Height: 9.800''Compression Height: 1.520''Pin Size: 0.990'' x 2.750"Pin Location: CenteredEffective Head Volume: -38ccIntake Valve Relief: 0.275'' Depth / 2.420'' Diameter Exhaust Valve Relief: 0.000" Depth / 0.000" Diameter Top Landing Height: 0.340Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom Gram Weight. STD Big Block Chevy 427ci Forged Pistons Hollow Dome.
Big Block Chevy 427ci Forged Pistons. Alloy: Premium High Ductility 2618. Connecting Rod Length: 6.385.
Pin Size: 0.990'' x 2.750. Intake Valve Relief: 0.275'' Depth / 2.420'' Diameter.Exhaust Valve Relief: 0.000" Depth / 0.000" Diameter. Top Landing Height: 0.340. Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom. Compression Ratio: 10.8:1/119cc. Around here, we don't just sell parts - we rely on them when driving our own cars around racetracks, dirt trails, and interstates across the country.
Parts may be our business - but grease, fuel, exhaust, power, and speed are what we live for. Today, more than 350 people are employed by JEGS and the business draws in hundreds of thousands of customers each year.
Yet, we maintain the culture stared by Jeg Coughlin from the very beginning: a family-run performance shop that preserves a trusted relationship with each and every customer.