CHEVROLET 12564823 Heads Dual Btr Texas 2.165 1.60 .660

( Manufacturer Part Number: 12564823 ), ( Spring Stage Configuration: Hydraulic Roller Up To Stage 4 ), ( Valve Spring Shim: Hardened New / Used As Needed To Set Install Height ), ( Valve Seals: Texas Speed Viton Pc Seal Non Integral Spring Seat ), ( Exhaust Valve Seats: Oem Style Iron ), ( Custom Bundle: Yes ), ( Items Included: See Package ), ( Install Height: 1.800 / .005 ), ( Core Charge: No ), ( Build Package: Street Strip Turbo ), ( Manufacturer Warranty: 6 Month ), ( Casting Id: 823 821 5364 ), ( Finish: Aluminum ), ( Spring Seat: Comp Cams .065 ), ( Intake Valve Seats: Oem ), ( Valve Lift: .660 ), ( Valve Shim: Hardened .010 .030 As Needed ), ( Fitment Type: Direct Replacement ), ( Valve Guide: New Oem Style Iron ), ( Bore Size: 4.065 ), ( Oe/oem Part Number: 1256706 ), ( Retainers: Brian Tooley Retainers ), ( Exhaust Seats: New Oem Style Replacement ), ( Exhaust Valves: 1.600 Stainless Steel ), ( Country/region Of Manufacture: United States ), ( Valve Springs: Psi .660 ), ( Valve Locks: Btr 7 Deg ), ( Item Weight: 53 Lb ), ( Intake Valves: Stainless Steel 2.165 )

Review CHEVROLET 823 Heads Stainless 2.165 1.60 Dual .660 Psi Btr Texas Speed fits STREET LS3 TURBO 660

The Chevrolet 12564823 823 LS3 Heads Street Turbo is a high-performance engine component designed for enthusiasts seeking to upgrade their Chevrolet engines for increased power and efficiency. These LS3 heads, specifically, are engineered to work seamlessly with turbochargers, making them an excellent choice for forced-induction applications.

The 2.165 intake and 1.60 exhaust valve sizes provide optimal airflow and fuel mixture, ensuring efficient combustion and maximizing power output. The dual valve spring design ensures reliable valve control during high RPM operation, reducing the likelihood of valve float and maintaining optimal engine performance under extreme conditions.

The 823 LS3 heads are made from durable aluminum alloy, ensuring lightweight yet robust construction. The heads are CNC-machined for precise tolerance and fitment, ensuring a smooth and easy installation process. The included 660cc combustion chambers provide ample space for the fuel-air mixture, promoting efficient combustion and increasing power output.

The Texas-manufactured LS3 heads are known for their high-quality craftsmanship and attention to detail. Each head undergoes rigorous testing to ensure they meet or exceed OEM specifications, providing peace of mind for those looking to upgrade their Chevrolet engine.

In summary, the Chevrolet 12564823 823 LS3 Heads Street Turbo is an excellent upgrade for those looking to improve the power output and efficiency of their Chevrolet engine. The 2.165 intake and 1.60 exhaust valve sizes, dual valve spring design, and 660cc combustion chambers all contribute to improved engine performance, while the high-quality craftsmanship and rigorous testing ensure reliable and durable performance.

1. High Performance: With 660 BTR, this engine provides excellent power and torque for a high-performance vehicle.

2. Durable: LS3 heads are known for their durability and reliability, making them a good choice for high-performance applications.

3. Wide Compatibility: The engine can be used in a variety of vehicles, making it a versatile option.

1. Expensive: The price of this engine is relatively high compared to other options on the market.

2. Installation Requires Expertise: Installing a high-performance engine like this one requires specialized knowledge and tools, which can add to the overall cost.

3. Higher Fuel Consumption: Due to its high performance, this engine may consume more fuel than other options, which can result in higher operating costs.

The Chevrolet 12564823 823 LS3 Heads Street Turbo is a high-performance engine that is ideal for those who want a powerful and reliable engine for their vehicle. However, its high price, installation requirements, and higher fuel consumption may make it a less attractive option for some buyers. If you have the budget and the expertise to install and maintain this engine, it can provide excellent performance and reliability for your high-performance vehicle.

If you are in the market for a high-performance engine, the Chevrolet 12564823 823 LS3 Heads Street Turbo is a great option to consider. However, make sure to weigh the pros and cons and consider your budget and expertise before making a decision. It may be worth considering other options that offer similar performance at a lower price point or that require less installation expertise. Ultimately, the best engine for you will depend on your specific needs and preferences.

Details:

Failures due to a defect in materials or workmanship as long the product is used normally and accordance with purposes it was designed for. Unless specified package includes non OEM parts. Use of the product with other third-party product which fail. Full 3 angle Valve job seats are replaced as necessary.

All parts are thoroughly cleaned and inspected before assembly. Any disassembly beyond what is needed. Valve retainers inspected and replaced as necessary with OEM parts.

Improper use, installation, maintenance, or service. Heads are assembled with all new valve seals. Regular machining includes Heads one pair 823 castings with cosmetic defects is thoroughly cleaned and inspected.

Which fails due to a defect in materials or workmanship as long the product is used normally and accordance with purposes it was designed for. The cosmetic defects include Almost invisible normal found on a used cylinder head that has been rebuilt scuffs scratches pitting ect. Guide work performed / replaced with new guides as necessary. Contact me for pricing with sale of any pair cylinder heads.

Pressure tested. Abuse, misuse, disassembly, modification, or neglect of the product. 1.57 1.60 Manley, PSI, ISKY, AFR, springs retainers and locks. Overheating, Lose of overheat tab, Modification or replacement heat tab.

This limited warranty does not cover incidental, consequential, indirect, or special damages. Flood, chemical fallout, salt, hail, or other environment conditions including natural disasters. This limited warranty dose not cover shipping expense. Available in many aftermarket valve sizes also.

This Limited Warranty is valid ONLY if you are the original purchaser of product and may not be transferred. Includes the machining included with our regular valve job as described below. Valve springs are checked for open and closed pressure replaced as necessary with OEM beehive. A eligible vehicle is a that originally equipped with the same part number casting and of purchased.

part #: 12564823 prices

• $629.99-$1149.99

specifications cylinderheapar:

• for models: Ls3, Turbo, 660, Street
• for makes: Chevrolet
• mpn: 12564823
• spring stage configuration: Hydraulic Roller Up To Stage 4
• valve spring shim: Hardened New / Used As Needed To Set Install Height
• valve seals: Texas Speed Viton Pc Seal Non Integral Spring Seat
• exhaust valve seats: Oem Style Iron
• custom bundle: Yes
• items included: See Package
• install height: 1.800 / .005
• core charge: No
• build package: Street Strip Turbo
• manufacturer warranty: 6 Month
• casting id: 823 821 5364
• finish: Aluminum
• spring seat: Comp Cams .065
• intake valve seats: Oem
• valve lift: .660
• valve shim: Hardened .010 .030 As Needed
• fitment type: Direct Replacement
• valve guide: New Oem Style Iron
• bore size: 4.065
• oe/oem part number: 1256706
• retainers: Brian Tooley Retainers
• exhaust seats: New Oem Style Replacement
• exhaust valves: 1.600 Stainless Steel
• country/region of manufacture: United States
• valve springs: Psi .660
• valve locks: Btr 7 Deg
• item weight: 53 Lb
• intake valves: Stainless Steel 2.165

payments cylinderheapar:

• wallet: Paypal
• credit card: Mastercard
• other

shipping cylinderheapar:

• class: Economy
• transit: 6-12 Days
• type: Fixed
• cost: $0.00
• service: Economy with Adult Signature required

general cylinderheapar:

• condition: Remanufactured
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

seller cylinderheapar:

• city: Tehachapi, California
• rating: 100.0%
• # reviews: 541

returns cylinderheapar:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

offer cylinderheapar:

• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0
• started: August 22, 2024
• availability: In Stock

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