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383 There were just a few 383 RB engines made with a 4.031 in (102 mm) bore, so they are often confused with the 383 B Engine . This engine was only produced from 1958 to 1960 and used a RB (raised block). This engine was also used in Plymouth Fargo military trucks in Canada until 1961. 413 The 413 RB had a 4.1875 in (106 mm) bore and was used from 1959 to 1965 in cars. During that period, it powered almost all Chrysler and Imperial models, and was also available on the Dodge Polara , Dodge Monaco , and Plymouth Fury as an alternative to the 383-cubic-inch B Series Engine . With a compression ratio of 10:1 it developed 340 brake horsepower. In 1962, a version known as the stage III was introduced for racing. Chrysler engineers dubbed this version the maximum output from a wedge engine, or "MAX WEDGE". These racing versions included short cross ram manifolds and upswept, cast iron exhaust headers known as Tri-Y headers. It is widely rumored that the first production car to perform a 12 second quarter-mile was a 1962 plymouth running the 413 max wedge engine. Used in trucks from 67 through 73. 426 Not to be confused with the famous 426 Hemi , the 426 RB Wedge was a wedge-head RB big-block with a 4.25 in (108 mm) bore. It was produced from 1963 to 1966 . Actually, the 361 and 413 engines were used in Dodge medium and heavy duty trucks until discontinuation of the product line in 1975. 440 ]] The massive 440 RB was produced from 1966 until 1978 , making it the last of the Chrysler big-blocks. It had a cast-iron block with iron heads. From 1966 to 1971, it was conservatively rated at 375 SAE gross bhp (280 kW)at 4400 rpm with a single four barrel carburetor, and from 1969 to 1971, 390 hp (291 kW) with three two barrel carburetors. Both motors could produce up to 425 to 435 hp (317 to 324 kW) in certain sports models. From 1973 onwards the motor was equipped according to the new Clean-Air Act, which muffled the output to a rated 335 bhp SAE gross at 4400 rpm. Later still the output was rated in SAE net, that is, with alternator, air cleaner, mufflers, and other real-world, power-consuming equipment attached, to a more realistically rated 225 bhp SAE net at 4400 rpm, which very closely coincided with period German DIN ratings and TUV measurements. The 440 was known as the Magnum in Dodges, the '''Super Commando''' in Plymouths, and the briefly as the '''TNT''' in Chryslers. The 440 was used in the following vehicles:
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