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Dart LS SHP PRO Block
$5,250.00
Ready to build a monster LS engine? This Dart LSN SHP Engine Block is your starting line, prepped and primed for street/strip heroes or drag strip titans! Machined to perfection for LS platforms like LS3, LS7, or LSX, it’s built to support 800-1800hp with a 4.125" bore, making it ideal for turbo, supercharged, or naturally aspirated setups. With cam bearings, freeze plugs, and oil galley plugs already installed, you’re steps ahead on your custom build. Need help choosing cranks or rods? Call 210-446-0960 to plan your powerhouse!
Here’s what makes this block race-ready:
| Feature | Dart LSN SHP Block Details |
|---|---|
| Part Number | Dart PN: 31867212 |
| Head Stud Threads | 1/2" |
| Cylinder Bore | 4.125" Final Diameter |
| Honing | CNC Plateau Honed with Dual Torque Plates |
| Deck Surface | CNC Parallel Surfaced |
| Cylinder Prep | Deburred Top & Bottom |
| Stroker Clearance | Up to 4.125" with Steel Rods |
| Crankshaft Compatibility | Clearanced for Center-Counterweight Crankshafts |
| Cam Bearings | Coated, Pre-Installed |
| Freeze Plugs | Brass, Pre-Installed |
| Oil Galley & Coolant Plugs | Pre-Installed |
Build Tip: This block is a slam-dunk for LS3 street/strip builds aiming for 800-1200hp with a supercharger, or LSX drag setups hitting 1500-1800hp with twin turbos. Pair it with a 4.000"-4.125" stroke crank and 6.125" rods for a bulletproof rotating assembly!
Assembly Notes: Ready for your crank, rods, and pistons, but a pro builder should verify clearances for your setup (NA, turbo, or supercharged). We’re not liable for damage from improper assembly or mismatched components.
Sales Policy: Engine blocks are custom-prepped and non-returnable. All sales are final, so confirm your LS build specs before ordering!
Availability: In stock and ready to ship—get your build started today!