LS1 LS3 LM7 SHORT BLOCK WITH ALUMINUM HEADS 383 900HP 4.8L 5.3L Gen 4 24X FLAT

Description: Hello, this auction is for a Gen 4 Iron Ls1 Ls3/Lm7 Short Block with assembled heads and NO cam. Head studs are in the motor and are only hand tight to keep the heads in place. When you buy engine its ready for you to put your cam and lifters in and finish putting the rest of your parts on! With the 64cc head this motor will be at roughly 11.4:1 depending on the thickness of your head gasket. The Following parts have been used in the building of this Motor: CNC MACHINED LM7 GM BLOCKKING MAIN AND ROD BEARINGSDURABOND CAM BEARINGSWISECO FORGED 3.903" FLAT TOP PISTONSHASTINGS PLASMA CROMOLY FILE FITTED RINGS 4340 FORGED 6.125 H-BEAM CONNECTING RODS 4340 FORGED 4.000" STROKE CRANK24X OR 58X RELUCTOR WHEEL (YOUR CHOICE UPON PURCHASE)ROTATING ASSEMBLY IS INTERNALLY BALANCEDLS3 CNC MACHINED ALUMINIUM HEADS Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):64 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc): 255 cc CNC-Machined Intake Runner: NoCNC-Machined Exhaust Runner: NoIntake Port Shape: RectangleIntake Port Location: StandardExhaust Port Shape: OvalExhaust Port Location: StandardComp. Valve Job: Seat Pressures: Seat Pressure W/O Inner Spring:Yes Closed 145 Closed 115Intake Valves Included: YesIntake Valve Diameter (in): 2.165 in.Exhaust Valves Included: YesExhaust Valve Diameter (in): 1.600 in. Valve Springs Included: Yes (Double Springs up to .680 lift) Retainers Included: YesLocks Included: YesValve Stem Seals Included: Yes Rocker Arm Studs Included: No Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: No Valve Cover Mounting Style: Perimeter BoltAccessory Bolt Holes Drilled: Yes Intake Valve Angle: 45 deg.Exhaust Valve Angle: 45 deg.Valve Guides Included: Yes Valve Guide Material: Bronze Valve Seats Machined: YesValve Seat Machine Style: 3-angleValve Seat Material: Ductile iron Oiling Style: Through pushrod Machined for O-Ring: No Heat Crossover: NoQuantity:Sold in Sets of TwoParts Used in Assembly as follows: 1.600" one piece swirl polished stainless steel severe duty exhaust valves (Qualcast)2.165" one piece swirl polished stainless steel severe duty intake valves (Qualcast)1.320" OD X 2.235 True Double Springs (Qualcast)New Hardened 1.300 Retainers 7°New Hardened 312 Valve LocksNew 312 Positive Control SealsNew .015" Valve ShimSprings Number Of Coils: Dual Spring Damper Spring: No Overall Diameter: 1.320" OD Inside Diameter: .676" ID Spring Height: 1.800" Seat Pressure: 145 lbs @ 1.800" Open Pressure: 385 lbs. @ 1.150" Coil Bind: 1.100" Spring Rate (lbs./in.): 375 lbs/in Max Lift: .680" ALL ENGINES WILL BE SHIPPED IN FULLY ENCLOSED WOODEN CRATE. NO EXCEPTIONS. WE WANT YOUR MOTOR TO ARRIVE SAFELY AND UNHARMED SO YOU HAVE NOTHING TO WORRY ABOUT.NOTE: THIS IS A PERFORMANCE ENGINE. IT IS YOUR JOB TO MAKE SURE THAT THIS WILL FIT IN YOUR APPLICATION. WE ACCEPT NO RESPONSIBILITY OVER FITMENT ISSUES. ALL MOTORS MIGHT REQUIRE MINOR MODIFICATIONS FOR INSTALLATION( DRILL AND TAP HOLES FOR CLEARANCEING). THESE CHANGES ARE MINOR AND CAN BE PERFORMED WITH SIMPLE COMMON TOOLS. WE WILL NOT BE RESPONSIBLE FOR ANY WORK THAT YOU MIGHT HAVE TO DO FOR CLEARANCE ISSUES. THIS DOES NOT WARRANT THE RETURN OF A PRODUCT!!!  If you have any questions or concerns feel free to contact me via the eBay Messenger or contact me at 559 / 244 / 1299. I will be happy to answer any Questions you might have. Also, IF you pay with any kind of check I will waive the shipping fee. Thanks for looking!

Price: 5499.99 USD

Location: Fresno, California

End Time: 2024-10-17T20:34:13.000Z

Shipping Cost: 750 USD