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SpeedFactory Racing D16Z/Y SOHC VTEC Valve Springs & Titanium Retainers

$346.48
IG SF-02-421 + SF-02-422
15% Off SpeedFactory Only 5% Off Best selling products D Series Engines Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions Honda/Acura Pistons New products New Products! SF Parts SpeedFactory Racing
After a year of dyno and street testing in combination with our Street Savage Camshaft we are proud to release our Upgraded Valvetrain for...

SpeedFactory Racing B-Series HD Timing Belt Tensioner Spring

$17.84
SF-05-011
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SpeedFactory Racing
Tired of trying to consistently set your timing belt tension to a suitable level for your high-performance B-Series engine? Those days are over thanks...

SpeedFactory Racing Stainless Steel Intake / Exhaust Manifold Stud Kits

$54.59
SF-02-061-SS
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products SF Parts SpeedFactory Racing
Introducing a new, cost-effective yet still high performance alternative to our Titanium Stud Kits! Our high quality stainless stud kits look great and allow you...

Speedfactory Racing / BME Outlaw Piston Ring Sets (Sold Per Cylinder)

$30.00
SF-R-84
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Block Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SF PISTONS SpeedFactory Racing
SOLD EACH. (1) RING SET IS FOR (1) CYLINDER. These SpeedFactory Racing Honda B-Series High Performance GNH Piston Ring Sets are designed specifically to...

SpeedFactory Racing Billet B/D Series Thermostat Housing for Honda/Acura Engines

$104.99
SF-06-075
15% Off SpeedFactory Only Best selling products Billet Parts COOLANT HOUSINGS AND FILLER NECKS Cooling System / Radiators / Hose Kits / Fittings Engine and Billet Parts Except Excluded Sale Brands Fill Necks / Fill Pots / Thermostat Housings/ Radiator Caps Flash Sale Exclusions New products SF Parts SpeedFactory Racing
For those that wanted a premium billet option, we present the SpeedFactory Racing Billet B/D Series Thermostat Housing! CLICK HERE TO ORDER TITANIUM INSTALLATION...

SpeedFactory Racing Titanium Cam Gear Stud Kit - D-Series

$24.14
SF-02-075-M8-A-KIT-6
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SpeedFactory Racing Titanium Engine / Dress-Up Hardware Titanium Parts
Upgrade your ugly stock cam mounting bolt to the SpeedFactory Racing Titanium Cam Gear Stud Kit! As with all our titanium products, these feature...

SpeedFactory Racing Adjustable Cam Gears for Honda B-Series / H23

$324.99
SF-02-451
15% Off SpeedFactory Only 5% Off Best selling products Billet Parts Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SpeedFactory Racing
Optimize your engine quickly and easily with the new SpeedFactory Racing B-Series / H23 Adjustable Cam Gears featuring our EZ-Dial Adjuster. With a cam...

SpeedFactory Racing Honda D15/D16 SOHC Adjustable Cam Gear

$146.99
SF-02-450
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SpeedFactory Racing
Optimize your engine quickly and easily with a new SpeedFactory Racing D15/D16 Adjustable Cam Gear featuring our EZ-Dial Adjuster. With a cam timing adjustment...

SpeedFactory Racing Billet B-Series VTEC Spark Plug Wire Cover

$104.99
SF-02-053
15% Off SpeedFactory Only 5% Off Best selling products Billet Parts Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SF Parts SpeedFactory Racing
Put the perfect finishing touch on your engine bay - Our new SpeedFactory Billet B-Series VTEC Spark Plug Wire Cover features a unique and modern design...

SpeedFactory Racing Billet B-Series VTEC Valve Cover

$944.99
SF-02-320
15% Off SpeedFactory Only 5% Off Accessories Best selling products Billet Parts Cylinder Head Parts Engine Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions Honda/Acura Valvetrain New products New Products! SF Parts SpeedFactory Racing
We are proud to offer the SpeedFactory Racing Billet B-Series VTEC Valve Cover! Our cover combines high performance -12AN ventilation with precise fitment and...

SpeedFactory Billet Battery Tie-Down

$31.49
SF-02-086
15% Off SpeedFactory Only 5% Off Best selling products Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions New products New Products! SpeedFactory Racing
Set off your engine bay with the SpeedFactory Billet Battery Tie Down! Each billet battery tie down is CNC'd from high quality 6061 aluminum....

SpeedFactory Racing High Performance MLSS-HP Head Gaskets for Honda/Acura K-Series Engines

$115.49
SF-02-220
15% Off SpeedFactory Only 5% Off Best selling products Cylinder Head Parts Engine Engine and Billet Parts Engine Parts Except Excluded Sale Brands Flash Sale Exclusions Head Gaskets New products SF Head Gaskets SF Parts SpeedFactory Racing
  SpeedFactory Racing High Performance MLSS-HP Head Gaskets for Honda/Acura K-Series Engines PAIR WITH OUR SPEEDFACTORY RACING 4140 HEAD STUD KIT FOR THE ULTIMATE...
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SpeedFactory Racing precision-machined billet aluminum automotive performance component

SpeedFactory Racing Engine & Billet Performance Components

Performance Engine Components for Honda B-Series, D-Series & K-Series Builds

SpeedFactory Racing offers specialized engine components and billet performance parts for Honda and Acura enthusiasts, professional engine builders, and competitive racers.

Our product selection includes high-strength head studs, performance head gaskets, connecting rods, piston kits, billet aluminum components, timing system upgrades, and valvetrain hardware.

These components support a variety of engine-building applications, from naturally aspirated street and track builds to high-boost turbocharged racing engines.

Head Studs & Performance Head Gaskets

Cylinder head sealing is an important consideration when building a high-performance Honda engine, particularly for applications involving increased cylinder pressure.

SpeedFactory Racing offers specialized head fastening and gasket solutions, including 4140 steel head stud kits, L19 head studs for supported applications, and B-Series VTEC fire-ring and copper head gasket kits.

Selecting compatible components requires consideration of the engine platform, cylinder head and block configuration, surface preparation, and intended operating conditions.

Connecting Rods, Pistons & Engine Internals

SpeedFactory Racing offers performance connecting rods and piston products for selected Honda engine applications, including components for D-Series and B-Series builds.

These products support different engine configurations, from naturally aspirated performance combinations to turbocharged applications.

When choosing engine internals, consider compression ratio, bore size, connecting rod length, piston compatibility, engine clearances, and the intended operating environment.

Always verify individual product specifications before purchasing or installing components.

Billet Engine Components & Specialty Hardware

Billet aluminum engine components can provide application-specific features, precision-machined construction, and improved serviceability or packaging, depending on their design.

SpeedFactory Racing's engine and billet product lineup includes specialty fittings, billet engine hardware, engine accessories, and selected valve cover components.

Our billet products are designed for specific applications, so customers should review product descriptions for compatibility, dimensions, and installation requirements.

Timing System & Valvetrain Upgrades

SpeedFactory Racing offers timing system and valvetrain components for supported Honda engine platforms, including heavy-duty timing belt tensioner springs and upgraded valve spring and titanium retainer combinations.

These components may be relevant when modifying camshafts, engine speed, or other aspects of a performance engine build.

Proper component selection and installation are essential for maintaining reliable valvetrain operation and engine timing.

Choosing Components for Your Honda Performance Engine

Building a high-performance Honda or Acura engine requires matching components to the engine platform, intended power output, fuel type, compression ratio, operating RPM, and vehicle application.

For example, the component requirements of a naturally aspirated B-Series street engine may differ significantly from those of a dedicated turbocharged drag racing engine.

Browse the SpeedFactory Racing Engine and Billet Parts collection to explore available products and review technical specifications, fitment information, and installation requirements.

For assistance selecting components for your particular engine combination, contact the SpeedFactory Racing team.

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