All American BB Chevy 632 Short Block, Callies Crankshaft, Diamond 14.2:1 Nitrous 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 just to lessen the price.

BB Chevy 632 Short Block Assembly

Dart Race prep Big M billet main cap block

Callies Magnum 4340 forged steel crankshaft (4.750 Stroke) **Internal Balance**

Callies Enforcer I-Beam connecting rods bushed fit pins with 7/16 ARP L19 bolts (6.700 Length)

New Diamond forged +34cc Nitrous dome pistons (4.600), H13 .205 wall wrist pins **Fits 24/26 degree heads

Total Seal AP steel Nitrous piston ring set .043 .043 3/16

Daido Rod and Main Bearings

Dart / Dura bond coated cam bearings

Brass freeze plug kit

Dura bond finishing kit

New Dart Big M billet cap block, tall deck 10.180"

Compression Ratio with 118cc Heads: 14.2:1

Compression Ratio with 124cc Heads: 13.8:1

2000 Horsepower rating

*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.
*Ships Truck Freight*
3% fee added for credit card or pay pal payments