Items You Need
LS Gen III/IV
This short block is for naturally aspirated applications.
Engine Information:
- New Dart SHP LS Cast Iron Block
- 4 or 6 Bolt Cylinder Heads Accepted
- Bore/Stroke: 4.125 in. x 4.125 in.
- Camshaft Bearings: Installed and clocked to OEM position
- Freeze Plugs: Installed and sealed
- Oil Galley Plugs: Installed and sealed
Rotating Assembly:
- Crankshaft: Scat 4340 Forged 4.125 in. Internally Balanced 58 tooth reluctor
- Rods: Scat 4340 Forged H Beam 6.125 in. with ARP 8740 bolts
- Pistons: 2618 Forged +22 dished
- Piston Rings: Wiseco GFX with steel top ring and Napier 2nd ring
- Compression Ratio: 66 cc = 10.1:1 / 68 cc = 9.9:1 / 70 cc = 9.8:1
Recommend Components:
- Harmonic Balancer: Internally balanced
- Flexplate: Internally balanced
- Oil: 10W30
Specifications:
Can I not use this block for a high boost build ?
How much hp can this setup handle
Whats the HP on this engine?
Can you get this with higher compression. I have 70 cc heads and looking for 11.5 to 1
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