Sgi Forged 4340 Crankshaft 351w 2.749" Main 3.750” 3.850" 4.000" 4.100" 4.170" on 2040-parts.com

SGI Forged 4340 Nitride Crankshaft, 351W/Cleveland main, 3.750” 3.850” 4.000” 4.100” 4.170” Stroke 

By choosing a STAR GALAXY INC Crankshaft marked with Part number, you’ll receive one of the finest HP crankshafts on the market available today. SGI crankshafts dominate the industry when it comes to precision CNC’d crankshafts. Utilizing only daily calibrated state of the art CNC equipment, working in unison along with extremely highly qualified master craftsmen, SGI crankshafts has incorporated all the precision and detail with high production capabilities in a mass array of applications and designs. SGI C3-351W series Crankshafts features: 4340 AQ Chromoly steel non-twist forgings; Multiple stage heat treatments; X-rayed; Magnafluxed and Sonic tested; Completely CNC machined with a two step micro polishing on the journals; Oil passages are cross drilled; large radius; Crankshafts are plasma nitrated to a minimum depth of .060; 3D exclusively designed arrow counterweights and gun drilled mains for 20% less crankcase windage than our competitors; 1 inch lightening holes in all 4 rod throws reduces rotating mass and helps eliminate the need of Mallory when balancing.

Customer Service: 1-626-839-5700 or visit SGI website at stargalaxyinc.com

 Multiple Parts listed under item, Note us part number when ordering please, or we'll delay to ship until you note us the part number.

Call to check application, size and availability before purchase.  

Each unit is marked with an assigned part number, then gets well packed in a stronger carton box with triple layer of walls, at a size of 30” X 7.5” X 7.5”, with a shipping weight of about 71 lbs. Weights and dimensions are for reference only, actual data may vary. Prices are based from California warehouse, and subject to change without prior notice. Most of orders will be shipped within 24 hours. Please understand that occasionally we may have some temporary shortages or in stock level (marked out in grey), due to delivery of large accounts.

The following chart may help, for reference information only, finds more other components, at SGI website stargalaxyinc.com

SGI Rotating assembling Kit: includes SGI forged 4340 steel crankshaft, SGI forged 4340 steel H or I beam rods with ARP 2000 cap screw bolts, forged aluminum pistons and Moly rings. Special requests may require two weeks to hit your door. All special requests must be prepaid, to insure receipt of your kit(s). Notes on Forged 2168 High Strength Alloy Pistons: FTP - Flat Top, DTP - Dome, RDP - Reverse Dome, DIP – Dish Top, C/H - Chamber High, T/V - Top Volume, C/R – Compression.  

 

SGI Balanced Assembling Kits: By choosing SGI completely assemblies, spun and balanced by extremely highly qualified master craftsmen, you’ll receive one of the finest stroke kits available today. Just extra $600 (you’ll finally balance it anyway), get a whole kit externally balanced along with those components: main bearings, H rods bearings, damper, and flexplate or flywheel.

Shipping Cost on kit will be around $110 nationwide. 

 Total: Getting a balanced completely assembling kit, shipped to your door, will be about $2110. 

Please read and understand the listing before committing to buy it now.

It’s buyer’s responsibility to check the sizes and specifications of all parts for application(s) before ordering. Orders which are qualified will be shipped out after payment clears. All goods ordered and shipped are on final and not subject to exchange or return. 

We accept Visa / Master cards, and PayPal payment. Will call is available for a fee.