GM LSX LS7 7.0L 427 CNC Pro Street Long Block, Brodix BR3 Heads, CP 11.2:1 Compression Pistons

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 will never cut corners just to lessen the price.

GM LSX Race prep cast iron engine block
Lunati 4340 forged steel crankshaft, 4.000 stroke (short snout)
Lunati 4340 forged H beam connecting rods with ARP2000 bolts, 6.125 length
CP Bullet 2618 forged pistons with .180 wrist pins, 11.2:1 +/- compression
Premium performance piston rings
H series rod and main bearings
Melling select performance oil pump
Cloyes billet single roller timing chain kit
CNC custom ground hydraulic roller camshaft *We can customize to your needs*
LS7 hydraulic roller lifters
Brodix BR3 aluminum cylinder heads
Fel-Pro MLS head gaskets
ARP head bolts
Trend .080 wall 5/16 pushrods
Yellow Terra Twinshaft rockers
100% machined, balanced, and the long block assembly is blue-printed to our race winning specs
This long block is rated to support 1200 horsepower. Boost and Nitrous friendly. **Power adder information will be needed to adjust clearances for your build**