Engine Rotating Kits

Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! Speedmaster™ kits bring together everything you need, including crankshaft, connecting rods, pistons, and other essential bottom-end components. Maximize your budget with a standard, all-in-one rotating assembly or maximize displacement with a cubic inch-enhancing stroker kit. We carry engine rotating kits for a large array of applications.

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42 Products

42 Products

Out of Stock

Speedmaster
Chevy LS1 3.905" 383ci Forged Rotating Assembly Kit (F,H,F)
US $1,975.00
No Reviews yet

Out of Stock

Speedmaster
Chevy LS1 3.905" 393ci Forged Rotating Assembly Kit (F,H,F)
US $1,900.00
No Reviews yet

Out of Stock

Speedmaster
Chevy LS2 4.005" 403ci Forged Rotating Assembly Kit (F,H,F)
US $1,975.00
No Reviews yet

Out of Stock

Speedmaster
Chevy LS2 4.005" 413ci Forged Rotating Assembly Kit (F,H,F)
US $1,900.00
No Reviews yet

Out of Stock

Speedmaster
Chevy LS3 4.065" 426ci Forged Rotating Assembly Kit (F,H,F)
US $1,900.00
No Reviews yet

Out of Stock

Speedmaster
Chevy LS3 4.070" 427ci Forged Rotating Assembly Kit (F,H,F)
US $1,900.00
No Reviews yet

Out of Stock

Speedmaster
Ford SB 289 302 Windsor 3.400" 347 ci Rotating Assembly Kit - Outlaw Series 040
US $2,100.00
No Reviews yet

Out of Stock

Speedmaster
Ford 351W Windsor 3.850" 393ci Rotating Assembly Only (C,I,H +30)
US $756.00 US $840.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Only (C,I 6.0,H +30)
US $792.00 US $880.00
No Reviews yet
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Out of Stock

Speedmaster
Ford 351W Windsor 3.850" 393ci Rotating Assembly Only (C,H,H +30)
US $765.00 US $850.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Only (C,H 5.7,H +30)
US $954.00 US $1,060.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Only (C,I 5.7,H +30)
US $796.50 US $885.00
No Reviews yet
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Out of Stock

Speedmaster
Ford 302 351C Cleveland 3.750" 383ci Rotating Assembly Only (F,H,F +30)
US $1,651.50 US $1,835.00
No Reviews yet
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Out of Stock

Speedmaster
Ford SB 289 302 Windsor 3.400" 347ci Rotating Assembly Only (F,H,F +30)
US $1,543.50 US $1,715.00
No Reviews yet
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Out of Stock

Speedmaster
Ford SB 289 302 Windsor 3.400" 347ci Rotating Assembly Only (C,H,C +30)
US $769.50 US $855.00
No Reviews yet
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Speedmaster
Chevy BBC 454 4.250" 496ci 2Pc Rotating Assembly Only (F,H,F +30)
US $1,468.00 US $1,835.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Only (F,F-I 5.7,F +30)
US $1,584.00 US $1,760.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Only (F,H 5.7,F +30)
US $1,584.00 US $1,760.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 1Pc RMS Rotating Assembly Only (C,H 5.7,H +30)
US $729.00 US $810.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 1Pc RMS Rotating Assembly Only (C,I 5.7,H +30)
US $567.00 US $630.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy SBC 350 3.75" 383ci 2Pc RMS Rotating Assembly Kit (C,H 5.7,H +30)
US $1,235.00
No Reviews yet

Out of Stock

Speedmaster
Ford SB 289 302 Windsor 3.400" 347ci Rotating Assembly Kit (F,H,F +30)
US $1,786.50 US $1,985.00
No Reviews yet
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Out of Stock

Speedmaster
Ford SB 289 302 Windsor 3.400" 347ci Rotating Assembly Kit (C,H,C +30)
US $990.00 US $1,100.00
No Reviews yet
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Out of Stock

Speedmaster
Chevy BBC 454 4.250" 496ci 2Pc Rotating Assembly Kit (F,H,F +30)
US $1,660.00 US $2,075.00
No Reviews yet
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