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Precision Is Sexy is PP-03 in the Piston Pin-ups series.

The small end of a connecting rod is where motion becomes control. It is the interface between force and finesse, designed to operate within impossibly tight tolerances while enduring constant movement and load. When it fails, everything fails. When it is right, it disappears into perfection.

PP-03 celebrates that quiet mastery. The design pairs the small end component with a 1940s-inspired pin-up illustration, referencing an era when engineering excellence and visual elegance were inseparable. The slogan Precision Is Sexy is not irony—it is a statement of fact. In mechanical design, beauty lives in accuracy.

This T-shirt is part of the Piston Pin-ups collection, a numbered series of eight designs released individually over time. Each piece documents a specific engine component and its role, forming a cohesive, collectible sequence for those who appreciate how machines truly work.

Built for those who understand that performance is never accidental—and that the smallest parts often matter most.

PP-03 / SMALL END

Piston Pin-ups — Precision Is Sexy