Stef's Fabrication Cylinder Block Components

About Stef's Fabrication Specialties

Stef's Fabrication Specialties has been a trusted name in motorsports oiling systems since 1990. Founded with a singular focus on engine oiling, the brand has spent more than three decades designing and producing race-proven components that meet the demanding requirements of today's serious competitors — from weekend drag racers to professional-level engine builders.

What sets Stef's apart is their uncompromising approach to manufacturing. Engine oil pans from Stef's are fixture assembled and 100% heli-arc welded inside and out — a process that produces a fully fabricated product rather than a modified OEM core. This method ensures matched material thickness for uniform weld penetration, eliminating the mismatch and material overlap that can trap debris and compromise performance over time. Steel pans also benefit from an additional internal soft-wire welding process that is more resistant to cracking from vibration than conventional MIG welding.

Stef's product lineup spans multiple racing disciplines. Their Competition Eliminator dry sump pans are engineered for maximum scavenging efficiency, incorporating a proprietary PTFE uni-directional screen design alongside proven baffling and optimized pickup locations. The Super Series pans deliver a true full kickout design with a Teflon®-coated uni-directional windage screen for racers who demand horsepower advantages at every stage. For competitors working with a tighter budget, the Affordable Series brings race-level features — including a PTFE coated unidirectional windage screen — to a price-conscious package without sacrificing quality.

Coverage spans a wide range of popular platforms, including small and big block Chevrolet, small and big block Ford, Chrysler family engines, Oldsmobile, and marine performance applications. All pans are 100% fabricated from scratch — Stef's does not use OEM cores — allowing for custom features tailored to specific applications, such as stroker notches, high-volume pump and pickup upgrades, and driver- or passenger-side dipstick positioning.

Stef's close working relationships with top engine builders across the country fuel a continuous R&D process, ensuring their designs stay ahead of evolving racing regulations and engine combinations. Whether you're building a bracket car, a circle track machine, or a high-horsepower street/strip engine, the brand's complete engine oil pan kits deliver everything needed for a proper installation right out of the box.

Why Racers Choose Stef's

• 100% fixture-assembled and heli-arc welded construction — no OEM cores used
• Proprietary PTFE uni-directional windage screen technology
• Crack-resistant soft-wire internal welding on steel pans
• Wide engine family coverage: Chevy, Ford, Chrysler, Oldsmobile, and marine
• Customizable options including stroker clearances, HV pump upgrades, and dipstick locations
• Designed in partnership with professional engine builders