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Vendor: DFW Speed Syndicate
264°/264° Turbo Grind - Ford 300 Inline
Regular price $795.00 -
Vendor: DFW Speed Syndicate
Ford 240/300/400 Aluminum Roller Rockers (Sold Individually)
Regular price $39.00 -
Vendor: DFW Speed Syndicate
Rocker Arm – Fits ProMaxx Heads (Sold Individually)
Regular price $39.00 -
Vendor: DFW Speed Syndicate
Basic Valvetrain Kit – For ProMaxx 300 Ford Heads
Regular price $399.00 -
Vendor: DFW Speed Syndicate
Ford 240/300 I-6 Bronze Distributor Gear
Regular price $139.00 -
Vendor: DFW Speed Syndicate
Master Valvetrain Kit – ProMaxx 300 Ford Heads
Regular price $1,055.00 -
Vendor: DFW Speed Syndicate
Ultimate Master ProMaxx Head & Cam Kit – Ford 300 I6
Regular price $5,394.00 -
Vendor: DFW Speed Syndicate
Straub Blue Printed ProMaxx Ford 300 Inline-6 CNC Ported Head Kit
Regular price $3,215.00
At Straub Technologies, we are dedicated to breathing new life into classic inline engines. From high-performance camshaft profiles to battle-tested valvetrain solutions, we specialize in making legendary straight-sixes like the GM 292 and AMC 4.0L run stronger, smoother, and smarter than ever before.
We combine modern engineering with old-school grit—because we know your build isn’t just about horsepower, it’s about character. Whether you're crawling boulders, roasting tires, or restoring a piece of American muscle history, we provide the parts and expertise to get you there and back again.
This isn’t just performance. This is precision-built heritage, Straub style.