SCG Inc. 408" GM Iron LS Stroker Shortblock

SCG Inc. 408" GM Iron LS Stroker Shortblock

9.7:1 - 10.2:1 compression ratio depending on cylinder heads.

-GM Gen 4 Iron Block
-K1 4" Stroke 4340 Forged Crankshaft
-K1 4340 Forged Rods w/ ARP2000 Bolts
-Wiseco -15CC 2618 Forged Pistons
-Tool Steel HD Pins
-Performance Bearings
-Dura-Bond Cam Bearings
-ARP Main Studs
-Professionally Balanced
-Professionally Assembled
-Professional Machine Work
-GM 58X Reluctor

Crank has additional keyway for the damper. The key is included.

Compression Ratio: 
9.7:1 w/ 70cc Combustion Chamber 
9.9:1 w/ 68cc Combustion Chamber 
10:1 w/ 66cc Combustion Chamber 
10.2:1 w/ 65cc Combustion Chamber

Longblock conversion available for ~$5500 depending on final specs. Contact us for more info.