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kb performance pistons kb243 030 piston

KB Performance Pistons

KB Performance Pistons KB243.030 +6cc Flat Top Piston Set for Small Block Mopar

Amazon Price as of 01/08/2025 14:08 GMT+00:00

-2%

$380.99

$391.99

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average price $400.53

$19.54 cheaper than average

$380.99 now

$390.40

$412.46

Product Description

Note:Technical Specs: Alloy: Hypereutectic 390 Bore: 4.070'' Crankshaft Stroke: 3.310'' Connecting Rod Length: 6.123'' Deck Height: 9.599'' Compression Height: 1.840'' Pin Size: 0.9842'' Pin Location: Centered Flat Top: -6cc 2V Relief Intake Valve Relief: 0.286'' Depth / 2.200'' Diameter Exhaust Valve Relief: 0.286'' Depth / 2.200'' Diameter Top Landing Height: 0.305'' Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 597/132 Compression Ratio: 10.9:1 w/57cc Heads; 10.5:1 w/60cc Heads; 10.0:1 w/64cc Heads; 9.6:1 w/68cc Heads

• 4.070 inch bore size • Package Dimensions: 4.8 H x 9.98 L x 7.1 W (inches) • Package Weight: 18.0 pounds • Country of Origin : United States

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