# Billie Pontiac GTO SEMA Debut

> Spring Green, Wisconsin’s Ringbrothers built a 5,500-hour custom Pontiac GTO named Billie for SEMA.
- Title: Billie Pontiac GTO SEMA Debut · Maxim | Shortify
- Summary: Spring Green, Wisconsin’s Ringbrothers built a 5,500-hour custom Pontiac GTO named Billie for SEMA. Ringbrothers’ supercharged 6.2L Pontiac GTO, named…
- Keywords: billie, pontiac gto, ringbrothers, sema, lt4 v8, 650hp, Maxim
- Source: Maxim — https://maxim.com/rides/this-billie-pontiac-gto-is-a-goated-custom-muscle-car
- Published: 2026-11-04T09:30:00+00:00
- Read time: 1 min
- Topics: billie, pontiac gto, ringbrothers, sema, lt4 v8, 650hp
## 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
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
## Key takeaway

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