2 Chevy LS1 LS2 LS6 210cc 64cc 2 Aluminum Cylinder Heads Pro Header Qual cast

Description: Hello This auction is for a new pair,(2) Pro header LS cylinder heads for LS1 LS2 LS6 1999 AND UP CHEVROLET ENGINES Chevy LS1 LS2 LS6 210cc 64cc cathedral Assembled Aluminum Cylinder Heads. These Heads are much better than stock GM heads, you will get easily 55-60hp gains!! These new heads castings WE CNC Machine and assemble, that is why and how we have no issues!!, bolt on performance and reliability!. Heads are Brand new and all components are brand new parts with no corners cut! We sell a lot of heads making small dollars with a lot of sales to make big dollars we want a lot of users happy!!. Please look close at all the pictures you can see we do all CNC Machine work in house!! with expert people who assemble the heads for trouble free service. Heads have all bolts holes for all stock accessory brackets, no special brackets needed, no special intakes or exhaust needed, run Stock stuff or aftermarket parts with no problems and great performance!!. All specs are listed as follows, Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):64 cc Intake Runner Volume (cc): Exhaust Runner Volume (cc):210 cc (CFM Intake Runner at .600 313.6) 76 cc (CFM Exhaust at .600 168.7) Intake Port Shape: CathedralIntake Port Location: StandardExhaust Port Shape: OvalExhaust Port Location: StandardComp. Valve Job: Seat Pressures: Seat Pressure W/O Inner Spring:Yes Closed 135 Closed 105Intake Valves Included: YesIntake Valve Diameter (in): 2.020 in.Exhaust Valves Included: YesExhaust Valve Diameter (in): 1.575 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: gm styleAccessory Bolt Holes Drilled: Yes Intake Valve Angle: 45 deg.Exhaust Valve Angle: 45 deg.Valve Guides Included: Yes Valve Guide Material: oil lite 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: 1.575" one piece swirl polished stainless steel severe duty exhaust valves (Qualcast) .312 stems2.020" one piece swirl polished stainless steel severe duty intake valves (Qualcast) .312 stems1.320" 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 Shim Springs, Engine: LS1 LS2 LS6 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"Flow @ 28" H20 Lift Intake Exhaust .200 144 109 .300 202 154 .400 254 187 .500 290 205 .600 313 214 Coil Bind: 1.100" Spring Rate (lbs./in.): 375 lbs/in Max Lift: .680" These heads are assembled and have 135 pounds closed seat pressure. If that is too much you can remove the inner spring and that will put you at 105 Pounds closed seat pressure which is more for a stock replacement. These heads are assembled and ready to final clean and install, No beehive springs here!! We do all cnc maching and assembly of heads in house! These heads are comparable to Pro header AFR Dart world Edelbrock pro comp speedmaster GM. Thanks for looking!! Please feel free to ask any and all questions directly thru ebay messaging system, I will answer all questions, I want you happy!!. I cant include personal contact information its against ebay policy, After purchase on ebay we can exchange contact information as needed.

Price: 1130.99 USD

Location: Fresno, California

End Time: 2024-10-07T22:20:24.000Z

Shipping Cost: 175 USD