CNC Competition SB Ford 331 Stroker Dart Short Block - Eagle, SRP 8.5:1 Pistons

CNC-Motorsports, has quickly raised the bar to a new level in offering high quality short blocks at an affordable price. Our 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 never cut corners like others just to lessen the price.

Small Block Ford 331 Short Block

Eagle 4340 forged steel crankshaft (3.250 Stroke) **Internal Balance**

Eagle H-Beam connecting rods bushed fit pins, ARP 8740 bolts (5.400 Length)

SRP forged -15cc dish pistons

High performance plasma moly piston ring set

ACL/Clevite 77 Rod and Main Bearings

Dura Bond cam bearings

Dura Bond finishing kit

Brass freeze plugs

Victor rear main seal

Dart SHP block Compression Ratio:

58cc 9.0:1

64cc 8.5:1

70cc 8.0:1

*Professionally Machined, Balanced, Assembled and blue printed in house by CNC-Motorsports. Balance card and blue print sheet will be provided to the customer. All short blocks are standard bore unless otherwise noted. We can custom build any short block assembly to meet your needs.