CNC-Motorsports offers the best selection of Small Block Chevy 400 rotating assembly kits. We offer street kits with pump gas pistons to wild fully forged lightweight rotating assembly kits to meet your racing needs. We offer quality name brands such as; Eagle, Scat, Callies, Compstar, Crower, Lunati, JE/SRP, Diamond, Wiseco, Mahle CP and Keith Black to name a few. CNC-Motorsports can customize any stroker kit to meet your specific needs. All balanced rotating assembly kits are completed in house by CNC-Motorsports. If you don’t see the rotating assembly kit you're wanting feel free to call or email our experienced staff today.
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SCA-1-92100 PART NUMBERScat 1-92100 SB Chevy 400 Street Performance Rotating Assembly - 11.7:1 Keith Black Flat Top Pistons$976.95Scat 9000 Cast Crankshaft 3.750 Stroke, 400 Main, Scat 5.700 I-Beam Rods, Keith Black Hypereutectic -5cc Flat Top Pistons, 2-PC Rear Seal Learn More
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SCA-1-90900 PART NUMBERScat 1-90900 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 11.4:1 Keith Black Flat Top Pistons$1,229.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Keith Black Hypereutectic -7cc Flat Top Pistons, 2-PC Rear Seal Learn More
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SCA-1-90905 PART NUMBERScat 1-90905 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 11.9:1 Icon Flat Top Pistons$1,265.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Icon Forged -3.7cc Flat Top Pistons, 2-PC Rear Seal Learn More
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SCA-1-90910 PART NUMBERScat 1-90910 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 11.6:1 Autotec Flat Top Pistons$1,394.95
9000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Autotec Forged -5cc Flat Top Pistons, 2-PC Rear Seal
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SCA-1-90950 PART NUMBERScat 1-90950 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 10.2:1 Keith Black Dish Pistons$1,298.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Keith Black Hypereutectic -18cc Dish Pistons, 2-PC Rear Seal Learn More
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SCA-1-90955 PART NUMBERScat 1-90955 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 10.5:1 Icon Dish Pistons$1,404.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Icon Forged -15.2cc Dish Pistons, 2-PC Rear Seal Learn More
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SCA-1-91005 PART NUMBERScat 1-91005 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 13.5:1 Icon Dome Pistons$1,404.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Icon Forged 6.3cc Dome Pistons, 2-PC Rear Seal Learn More
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SCA-1-91010 PART NUMBERScat 1-91010 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 13.1:1 Autotec Dome Pistons$1,465.95
9000 Cast Crankshaft 3.750 Stroke, 400 Main, 6.000 I-Beam Rods, Autotec Forged 4cc Forged Dome Pistons, 2-PC Rear Seal
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SCA-1-90755 PART NUMBERScat 1-90755 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 11.9:1 Autotec Flat Top Pistons$1,309.95
9000 Cast Crankshaft 3.750 Stroke, 400 Main, 5.700 I-Beam Rods, Autotec Forged -3.7cc Flat Top Pistons, 2-PC Rear Seal
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SCA-1-90805 PART NUMBERScat 1-90805 SB Chevy 400 Pro Comp Street and Strip Rotating Assembly - 9.7:1 Autotec Dish Pistons$1,356.959000 Cast Crankshaft 3.750 Stroke, 400 Main, 5.700 I-Beam Rods, Icon Forged -23cc Dish Pistons, 2-PC Rear Seal Learn More