Dart Little M2 Cast Iron SB Chev Engine Block with 4-Bolt Steel Cap DA31181211 Headers & Manifolds The threads are rolled after

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

DA31161111L

Fits only Aeromotive Phantom 200

alcohol based fuels and diesel

Stealth Shifters

Dart Little M2 Cast Iron SB Chev Engine Block with 4-Bolt Steel Cap DA31181211 Headers & Manifolds The threads are rolled afterDart Little M2 Cast Iron SB Chev Engine Block with 4 Bolt Steel Cap4. 125" Bore, 9. 025" Deck, 350 Mains DA31181211 31181211 True race block which will work with most standard components. Provisions for wet or dry sump oiling systems. Great for power adders and maximum effort engines. The Dart Little M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components. The Little M2 is