CNC-Motorsports Chevy 427-434 short blocks have quickly raised the bar to a new level in offering high quality performance short blocks at an affordable price. CNC dart short blocks have become a huge hit among racers and performance enthusiast all over the world. We have the ability to custom build you just about any combination the way you want it. All our short blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. We will never cut corners just to lessen the price. Please contact us if you’re looking for something not listed and we will be more than happy to give you a quote..
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CNC-9384-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, JE 15.3:1 Pistons$6,450.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, JE 15.3:1 Dome Pistons for Brodix -12 15 Degree Heads 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-9385-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, SRP 12.2:1 Pistons$6,050.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, SRP 12.2:1 Flat Top 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-9386-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, Diamond 12.1:1 Pistons$6,399.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, Diamond 12.1:1 Flat Top 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-9387-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crankshaft, Eagle 6.0 H Beam Rods, Dart SHP Block, Diamond 13.3:1 Pistons$6,699.95
SB Chevy 427/434 Stroker, Dart SHP Engine Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Connecting Rods, Diamond 13.3:1 Flat Top Pistons for 18 Degree Cylinder Heads, Fully Machined, Balanced, Short Block Assembled and 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-9388-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, Diamond 15.1:1 Pistons$6,699.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, Diamond 15.1:1 Dome Pistons for 18 Degree Heads 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-9389-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, Diamond 14.3:1 Pistons$6,550.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, Diamond 14.3:1 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-9390-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crankshaft, Eagle 6.0 H Beam Rods, Dart SHP Block, Diamond 14.4:1 Pistons$6,799.95
SB Chevy 427/434 Stroker, Dart SHP Engine Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Connecting Rods, Diamond 14.4:1 Dome Pistons, Gas Ported, Fully Machined, Balanced, Short Block Assembled and 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-9391-E PART NUMBER
CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crank, 6.0 H Beam Rods, Diamond 13.5:1 Nitrous Pistons$6,950.95
Dart SHP Block, Eagle 4.000 Forged Crankshaft, Eagle 6.0 H Beam Stroker Rods, Diamond 13.5:1 Nitrous Dome Pistons, Gas Ported 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-9900-MR PART NUMBER
CNC Competition 427/434 Dart Short Block, Molnar 4.000 Crank, 5.850 H Beam Rods, Diamond 13.5:1 Pistons$7,169.95
Dart SHP Block, Molnar 4.000 Forged Crankshaft, Molnar 5.850 Power Adder H Beam Stroker Rods, Diamond Nitrous 13.5:1 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-9374-S PART NUMBER
CNC Competition 427/434 Dart Short Block, Scat 4.000 Crank, 6.0 H Beam Rods, Mahle 12.3:1 Pistons$6,199.95
Dart SHP Block, Scat 4.000 Forged Crankshaft, Scat 6.0 H Beam Stroker Rods, Mahle 12.3:1 Flat Top 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.