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AutoTec™ Pistons - Pro Quality shelf and custom pistons from concept to reality!
The AutoTec™ line is a high quality, precision manufactured piston option at an extremely competitive price. Their design specific forgings allow the manufacturing of parts with less machine time, enable keeping production costs down and pass that savings on to you.
AutoTec™ forged pistons are made on the same high quality machines and with the same tools as the RaceTec™ line, including utilizing diamond turned ring grooves and skirts. Made out of 4032 high silicone aluminum alloy, Autotecs are extremely durable, have great wear resistance, a low expansion rate, and achieve very low friction losses.
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Chevrolet - 350 Small Block
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Autotec Series forged pistons for 4.000 bore small block Chevrolet are available in flat top, inverted dome, milled dish designs, or domed configurations. Standard ring packs are 1.5 1.5 3.0 widths with reduced radial dimensions. Wrist pins are .927 diameter by 2.700 long as indicated in the technical specifications, and wire locks, along with oil rail supports (if required), are included. Broached pin-oilers and gas accumulator grooves are incorporated at no additional cost. Domes and combinations not listed are available as a custom piston.
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Chevrolet - 400 Small Block
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Autotec Series forged pistons for 4.125 bore small block Chevrolet are available in flat top, inverted dome, milled dish designs, or domed configurations. Standard ring packs are 1.5 1.5 3.0 widths with reduced radial dimensions. Wrist pins are .927 diameter by 2.700 long as indicated in the technical specifications, and wire locks, along with oil rail supports (if required), are included. Broached pin-oilers and gas accumulator grooves are incorporated at no additional cost. Domes and combinations not listed are available as a custom piston.
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Chevrolet - Big Block
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Autotec Series forged pistons for 454 and 502 big block Chevrolet are available in flat top, inverted dome, milled dish designs, or domed configurations. Standard ring packs are 1.5 1.5 3.0 widths with reduced radial dimensions. Wrist pins are .990 diameter by 2.800 long as indicated in the technical specifications, and wire locks, along with oil rail supports (if required), are included. Broached pin-oilers and gas accumulator grooves are incorporated at no additional cost. Domes and combinations not listed are available as a custom piston.
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Chevrolet - LS Series
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Autotec Series forged pistons for the LS Series are available in 12 and 15° configurations featuring either flat tops, inverted dome, or milled dish designs. Standard ring packs are 1.5 1.5 3.0 widths with reduced radial dimensions. Wrist pins are either .927 or .945 as indicated in the technical specifications, and wire locks are included. Broached pin-oilers and gas accumulator grooves are incorporated at no additional cost. Reluctor wheel clearance is also designed in with no additional machining required. Domes and combinations not listed are available as a custom piston.
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