Mazworx
Does
Billet
Better.
When you are chasing world records and four-digit horsepower, factory castings just won’t cut it.
Modern Production Capabilities
Advanced Engineering & Race Tested
Modern Production Capabilities
Advanced Engineering & Race Tested
Trusted by
New
Products
Mazworx Shimless SR20VE Exhaust Valve – +1mm
$45.0074 in stock (can be backordered)
Mazworx Shimless SR20VE Exhaust Valve – STD
$35.004 in stock (can be backordered)
Mazworx Shimless SR20VE Intake Valve – +1mm
$35.0085 in stock (can be backordered)
Mazworx Shimless SR20VE Intake Valve – STD
$35.00Available on backorder
Mazworx SRK Adapter Axle Set – B13 w/ Spec-V 27-Spline Hubs
$1,825.00Available on backorder
Mazworx RB26DETT Long Block Stage 0.8
$14,999.00Build to Order
Mazworx RB26DETT Long Block Stage 2.5
$20,999.00Build to Order
Mazworx RB26DETT Stage 2.5 Short Block
Price range: $7,099.00 through $7,249.00Build to Order
Mazworx RB25 Short Block Stage 2.5
$6,499.00Available on backorder
Mazworx 2JZ-GE+T Long Block Stage 1.5
$16,249.00Build to Order
Mazworx 4B11 Billet Main Caps
$524.003 in stock (can be backordered)
Mazworx RB Engine Hoist Bracket Kit
$34.9911 in stock (can be backordered)
Our products serve enthusiasts, tuners and professional race teams alike — supporting everything from refined street builds to top-level motorsport applications.
Cast Blocks Crack. Billet Blocks Endure.
Our billet racing engines represent the pinnacle of aftermarket engineering, developed specifically to solve the failure points of high-horsepower applications. By utilizing aerospace-grade aluminum, we deliver a racing block that offers unmatched stability and longevity, allowing you to unlock the full potential.