BB Chevy 555 Stroker Long block, 9.5:1 Compression, AFR 385 CNC Ported Heads

Click Image to Enlarge

Image is a representation of this item. Actual item may vary.

BB Chevy 555 Stroker Long block, 9.5:1 Compression, AFR 385 CNC Ported Heads


Big Block Chevy 555 Stroker Long Block, Dart Big M Block, Callies Magnum 4340 Crankshaft 4.250 Stroke, Oliver Max Series Billet I Beam rods, Diamond 9.5:1:1 Pistons, AFR 385 CNC Ported Aluminum Cylinder Heads, Custom solid Roller Camshaft, Crower Roller Lifters, Crower Shaft Rockers, ARP Head Studs, Trend .135 Wall Pushrods, Fully Blue-printed, Designed to support 2000+ Horsepower

Ask A Question About This Product
⚠ Prop 65 Warning
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to
CNC-Motorsports, has quickly raised the bar to a new level in offering high quality long blocks at an affordable price. Our long 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 long blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. We never cut corners just to lessen the price.

Includes the following:
Dart Big M Block 4.560 Bore block - billet main caps
Callies Magnum forged steel 4.250 stroke crankshaft
Oliver Max series billet I beam connecting rods (6.385)
Diamond forged 2618 boosted series pistons (9.5:1 Compression) with H13 pins, coated skirts, hard anodized tops
Total Seal AP steel piston ring set
Clevite high performance rod and main bearings
Dura-bond coated cam bearings
CNC custom ground solid roller camshaft
Crower solid roller lifters
Race Billet timing chain kit
Trend 3/8 .135 wall pushrods
AFR 385 CNC ported aluminum cylinder heads
Cometic MLS head gaskets
ARP Head studs with dart inside shoe kit
Crower 1.7 ratio shaft rockers

Professionally machined, balanced, assembled and blueprinted in-house by our CNC-Motorsports Staff
**looking for something different? Just give us a call

Additional Information

  • Order Line

  • We Ship

  • visa, discover, mastercard &
    paypal accepted

  • Manufacturer
  • Vehicle Make
    BB Chevy