VERSAKRIMP 1/0 GA RING TERMINAL 3/8 BRAZED SEAM

Molex Versakrimp 1/0 GA Ring Terminal — 3/8 Brazed Seam Lug for Motorsport Primary Wiring

The Molex Versakrimp 1/0 GA Ring Terminal with 3/8 hole (19193-0331) is a heavy-duty brazed-seam crimp lug for motorsport and high-performance vehicle primary circuit terminations. At 53 mm² conductor cross-section with a continuous current capacity of approximately 170–190 amps, this terminal is suited to very high-capacity battery cable terminations, race car main power distribution, and competition vehicle primary earth connections. The brazed seam barrel construction provides a stronger, more reliable crimp joint than a simple rolled-seam barrel, maintaining electrical integrity under the vibration and thermal cycling of a race car environment.

Brazed Seam Construction

A brazed seam barrel is formed from copper that is rolled into a cylinder and then joined with a brazed filler material that closes the seam completely, creating a fully continuous cylindrical conductor. Under heavy crimp forming pressure at large wire gauges, a brazed seam barrel resists splitting — a failure mode seen with lower-quality terminals when crimping heavy conductors. The result is a tighter, more consistent crimp that reduces the risk of high-resistance joints in primary power circuits.

3/8 Hole Size — M10 equivalent

3/8-inch (M10) stud mount — used on larger battery post studs, heavy distribution blocks, and high-current earthing points requiring an M10 fastener. Selecting the correct hole size for the target stud is essential: an undersized hole cannot be installed, while an oversized hole leaves the terminal loose on the stud even when the nut is tight, creating micro-movement under vibration that accelerates contact surface oxidation.

1/0 GA — Typical Applications

This ring terminal is suited to very high-capacity battery cable terminations, race car main power distribution, and competition vehicle primary earth connections. At this cable gauge, the terminal is part of the primary power circuit — the highest-current section of the vehicle’s electrical system — making a correctly specified and installed terminal critically important for both performance and safety.

Available from Arctic Performance Parts

Arctic Performance Parts stocks Molex Versakrimp heavy-duty ring terminals across multiple gauges (6 GA through 3/0 GA) and all common hole sizes to support professional motorsport builds and fabrication workshops across Scandinavia. Lead time is 1–2 weeks for quantities beyond current stock.