Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
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Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
If you are looking to build a 400-500+hp engine, give our PCE281.1489 heads a try. They offer a smaller cross-section to increase the incoming air s velocity, resulting in great driveability, power, and economy.
Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads
Numéro d'article: 88005565

Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads

Numéro d'article: 88005565

€ 1934

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If you are looking to build a 400-500+hp engine, give our PCE281.1489 heads a try. They offer a smaller cross-section to increase the incoming air s velocity, resulting in great driveability, power, and economy.
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Ce qui se démarque

High Performance
Designed for Chevy BBC 454 engines, these CNC solid flat cylinder heads provide optimal airflow and combustion efficiency, enhancing horsepower and torque significantly compared to stock heads.
Ready to Use
Pre-assembled and tested, the Speedmaster cylinder heads eliminate the need for additional machining, ensuring a quick installation and immediate performance improvements straight out of the box.
Precision Engineering
Manufactured with advanced CNC technology, these heads ensure high precision and consistency, which results in superior durability and reliability, delivering outstanding value for serious automotive enthusiasts.

Détails du produit

Shop Speedmaster PCE281.2037 Fits Chevy BBC 454 360cc 125cc CNC Solid Flat Assembled Cylinder Heads online at a best price in French Guiana. 5714648217
  • Assembly Specifications Max Lift: .580 Coil Bind: .740 Intake Install: 130lbs @ 1.8 Exhaust Install: 130lbs @ 1.8 Closed Sear Pressure: 125lbs Open Seat Pressure: 320lbs As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . This casting process creates a much more uniform and robust cylinder head. With the increasingly large displacements becoming common, the need for more airflow is necessary. If you are looking to build a 400-500+hp engine, give our PCE281.1489 heads a try. They offer a smaller cross - section to increase the incoming air s velocity, resulting in great driveability, power and economy. On engines over 500hp, use the rectangle port PCE281.1488 heads. The mid-size cross section works well on engines under 540cu.in and under 7000RPM. If you are working on a larger, or higher RPM engine, step up to the CNC ported PCE281.1511 heads. The added volume of the PCE281.1511 intake ports (360cc) helps to fill in the gap between As-Cast performance heads and All-Out racing heads. If you re looking for 750+hp the PCE281.1523 with their competition valve job fit the bill perfectly. HEAD GASKETS Due to the wide combustion chamber needed to fit around the large 2.250/ 1.880 valves, we recommend our PCE348.1004 MLS head gaskets. These gaskets are .041 thick, and fit bore sizes as large as 4.540 on all Mark IV and VI blocks, as well as aftermarket blocks. Felpro 1017 gaskets will also work with these head/ block combos. To install our BBC heads on Mark V blocks, you will need to use our SM5233L and SM5233R Elite Series MLS head gaskets. Alternatively, you can use Victor Reinz # 4918(R) & #4923(L) head gaskets on Mark V blocks with our heads. INTAKE GASKETS The PCE281.1488 heads work well with our PCE349.1007 rectangle port gaskets. The PCE281.1489 heads require our PCE349.1008 oval port gaskets. If you prefer Felpro gaskets, the PCE281.1488 heads take a 1275 or 1275-5 gasket, depending on the thickness you require. The CNC-ported heads (PCE281.1511 & PCE281.1523) are matched to the Felpro 1275 & 1275-5 gaskets. SPARK PLUGS Our heads require the use of 14mm. x 3/4 reach 5/8 hex gasket seat sparkplugs. Some recommended plugs are; NGK BCPR6ES or R5671A-7, Champion RC12YC, Autolite AR3923 or AR3924. Remember these are for mild street engines. Higher compression or boost requires colder sparkplugs! HEAD BOLTS / STUDS Due to the raised (+.625 ) exhaust port location on our heads, +.100 longer bolts / studs are needed next to each port. Use our PCE279.1005 head stud Kit. ARP #135-3703 12pt. Head bolts, and #235-4303 Head studs work too. If you already have a standard BBC head stud kit and are just looking for the 8 +.100 studs, use our PCE279.1006 or ARP # 235-4306. These heads should be torqued to 65ft.lbs. using high pressure moly lube or 70ft.lbs. using 30wt. oil. Please consult your fastener manufacturer for their specific recommended torque values. EXHAUST GASKETS Our BBC heads utilize a 1.88 x 1.88 square exhaust port. This exhaust port requires specific gaskets. Our PCE355.1003 gaskets are made of re-useable copper, or if you prefer paper, use our pn# SM5123. Felpro also offers gaskets that work with our heads as # 1410.
Manufacturer part numberPCE281.2037
Vehicle makeChevy
Vehicle modelChevy BBC
BrandSpeedmaster
MaterialAluminum
Automotive parts divisionPerformance
CompatibilityChevrolet / Chevy Big Block
Compatible carsChevy BBC 454
Vehicle fitment typeSpecific
Rec. useEngine, Performance
FeaturesCompression, Raised
Size360cc
ModelPCE281.2037
Item Weight50 lbs (22.68 kg)

À qui est-ce destiné ?

Suitable For
  • Performance Enthusiasts

    Ideal for car lovers seeking enhanced performance for their Chevy BBC 454 engines with high airflow needs.

  • Racers

    Great for competitive racers looking to maximize power and efficiency from their BBC 454 in racing conditions.

  • Engine Builders

    Suitable for engine builders needing high-quality, pre-assembled heads that simplify and speed up installation.

Not Suitable For
  • Casual Drivers

    Not ideal for everyday drivers seeking a stable and smooth driving experience without high-performance needs.

DESCRIPTION DU PRODUIT

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Questions et réponses des clients

  • question: What type of head gaskets are recommended for these heads?

    répondre: PCE348.1004 MLS head gaskets are recommended due to the wide combustion chamber needed to fit large valves.
  • question: What type of spark plugs are required for these heads?

    répondre: These heads require 14mm x 3/4 reach 5/8 hex gasket seat sparkplugs, such as NGK BCPR6ES or R5671A-7.
  • question: How should these heads be torqued during installation?

    répondre: These heads should be torqued to 65ft.lb using the appropriate head bolts or studs recommended.

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€ 1934

Commandez maintenant et recevez votre commande aux alentours du Vendredi, Octobre 02

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Il ne reste que 10 articles en stock.
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Caractéristiques et avantages

  • Premium components for optimal airflow
  • Improved power throughout rpm range
  • Maximum engine performance
  • Great throttle response and top-end horsepower
  • Smaller cross-section for increased air velocity
  • Ideal for engines in the 400-500+hp range

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