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Billie Pontiac GTO SEMA Debut

Spring Green, Wisconsin’s Ringbrothers built a 5,500-hour custom Pontiac GTO named Billie for SEMA.

Nov 4, 2026

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Billie Pontiac GTO SEMA Debut

Spring Green, Wisconsin’s Ringbrothers built a 5,500-hour custom Pontiac GTO named Billie for SEMA.

In brief

Spring Green, Wisconsin’s Ringbrothers built a 5,500-hour custom Pontiac GTO named Billie for SEMA. Ringbrothers’ supercharged 6.2L Pontiac GTO, named Billie, debuts at SEMA with 650hp. Originally reported by Maxim.

Billie’s Origin

This custom Pontiac GTO was named Billie by Ringbrothers after the client’s mother.

“The owner wanted to recreate something that held real sentimental value”

Billie’s Name

Ringbrothers chose 'Billie' from 'billy goat' to honor the GTO’s historical nickname.

“We came back with billie as in billy goat and that moniker stuck”

Billie’s Build

Billie’s Build

Ringbrothers widened the body five inches and added a supercharged LT4 V8 engine.

“The challenge was widening the body five inches without losing the proportions”

Billie’s Features

Billie includes carbon fiber parts, a custom interior, and a 650hp supercharged engine.

“Power comes from a wegner motorsports supercharged 6.2-liter lt4 v8 producing 650 horsepower”

Here's the gist

Ringbrothers’ supercharged 6.2L Pontiac GTO, named Billie, debuts at SEMA with 650hp.

Read the original on Maxim

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