CNC-Motorsports offers the best selection in BBC 540-555-565 short blocks. Our short blocks are in high demand among racers of all types worldwide. We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few. All our short blocks are 100% machined, CNC Machined and blue-printed to our proven race wining specs. Custom builds available upon request, call or e-mail us to get started today.
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CNC-9791-NOS PART NUMBER
CNC Competition BB Chevy 565 Dart Short Block, Callies Crank, Diamond 13.9:1 Nitrous Pistons$11,399.95
BB Chevy 565, Dart Block, Callies Magnum Forged Steel 4.250 Crankshaft, Maxx Series Oliver 6.385 Billet I Beam Rods, Diamond 13.9:1 Nitrous Dome Pistons Learn More3% CREDIT PAYMENT FEEAn additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.FREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-9776-Pro PART NUMBER
CNC Competition BB Chevy 540 Dart Pro Charger Turbo Short Block, Callies Crank, JE 8.4:1 Pistons$11,250.95
BB Chevy 540, Dart Block, Callies Magnum Forged Steel 4.250 Crankshaft, Ultra 6.385 H Beam Rods, JE 8.4:1 Dish Pistons - Rated to 1500 Horsepower Learn More3% CREDIT PAYMENT FEEAn additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.FREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-9776-CW PART NUMBER
CNC Competition BB Chevy 540 Dart Short Block, Callies Crank, Wiseco 14.0:1 Pistons$10,999.95
BB Chevy 540, Dart Block, Callies Magnum Forged Steel 4.250 Crankshaft, Oliver 6.385 Billet I Beam Rods, Weisco 14.0:1 Dome Pistons, Total Seal Rings, Balanced, Assembly is blue-printed Learn More3% CREDIT PAYMENT FEEAn additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.FREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount. -
CNC-9555-SB PART NUMBER
CNC Competition BB Chevy 540 Dart Blown Alcohol Short Block, Callies Crank, Diamond 12.0:1:1 Pistons$12,269.95
BB Chevy 540, Dart Block, Callies Magnum Forged Steel 4.250 Crankshaft, Ultra 6.385 H Beam Rods, Diamond 12.0:1 Dome Pistons - Rated to 1500 Horsepower Learn More3% CREDIT PAYMENT FEEAn additional 3% fee will be charged for applicable engines purchased via credit card, PayPal or affirm.FREIGHT CHARGEThis part will be shipped via truck freight and additional shipping charges will apply. Multiple parts shipped via freight in an order may increase the total shipping amount.