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CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

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Mahle LSX Combo PowerPak Piston and Ring Kits

Mahle Motorsports offers GM LSX Combo PowerPak piston and ring kits, designed for high-output, naturally aspirated, power-adder applications. These Combo PowerPak kits offer the best of strength in an all-forged aluminum alloy piston to allow for increased detonation resistance, and a combination valve pocket design that will cover LS1, LS3 and LS7 cylinder heads. Features and benefits of these LSX Combo kits include: * PowerPak pistons are all dual-coated with Phosphate coating to provide the piston's characteristic gray appearance (dry lubricant provides a lubricant film protection in the pin bores and ring grooves) * Each slipper skirt is treated with Grafal; Mahle's proprietary coating to reduce wear, drag, scuffing, friction, and piston noise * If the valve pocket layout is unknown when assembling the short block, these pistons will accommodate an LS1-style cathedral port, LS3-style rectangle port, and also LS7-style cylinder heads * With listings for flat tops, dishes, and domes, these Combo PowerPak piston kits will not lock you into a single configuration, allowing for changes that can be made, as needed * Compression ratios are available from 10:1 and cruise all the way up to 14:1 with bore options ranging from 4.000 in. to 4.185 in.

3.67 out of 5 stars ( 3 )

$1,007.78

$649.50

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DeWitts LS Modified Direct Fit Pro-Series Radiators

DeWitts LS Modified Direct Fit Pro-Series radiators are designed to fit into the stock mounting and use the factory connections when installing an LS engine. They're manufactured and furnace-brazed in DeWitts' own furnace. The cores feature two rows of cooling tubes, a serpentine fin, and are epoxy-free. The radiators' press-formed end tanks are manually TIG-welded by expert craftsmen, providing the ultimate in strength and appearance. Over a hundred models are available (crossflow or downflow) for vehicles from the 1950s, '60s, '70s, and '80s. They can also be ordered with a built-in transmission cooler for your automatic equipped vehicle.

4.5 out of 5 stars ( 4 )

$841.49

$757.34

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DeWitts Pro-Series Radiators

DeWitts Pro-Series direct-fit aluminum radiators provide a 25 percent increase in cooling performance. They include features like two rows of one-inch wide cooling tubes, press-formed end tanks, serpentine fins, and factory-type upper and lower channels—and they're epoxy-free! Each radiator core is assembled and brazed in a state-of-the-art aluminum brazing furnace. DeWitts Direct Fit is the company's official trademark, and it means your radiator will fit without modifications.

4.85 out of 5 stars ( 164 )

$839.99

$755.99

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