ARTSP
Engineering Atelier
04

Custom Builds & Conversions

Overview

Complete build and conversion programmes for street, restomod and race vehicles across Los Angeles and Southern California. Engine swaps, including smog-legal swap engineering for California street cars, restomod projects, race car preparation and one-off custom builds — engineered, integrated and calibrated end-to-end.

Scope

Engine Swaps & Conversions

Smog-legal swap engineering for California street cars, motorsport conversions without restrictions, full electronic integration and calibration.

Restomod & Custom Builds

Modern drivetrain, electronics and chassis upgrades in classic bodies. One-off builds engineered from a blank sheet.

Race Car Preparation

Series-spec or open-rules preparation, safety equipment, data and electronics — built and supported through the season.

Performance Upgrades

Stage power packages, exhaust system installation, suspension upgrades, and bolt-in roll cage installation — including factory Clubsport package retrofits for Porsche GT3 models delivered to the US without cages. Street-car upgrades CARB-compliant where applicable, race and track builds without restrictions. Installation of customer-supplied or sourced kits with full electronic integration and calibration.

Applications
  • Smog-legal engine swaps for California street cars
  • Restomod projects and one-off custom builds
  • Race car preparation and track builds
  • Stage power packages, exhaust and suspension upgrades
  • Bolt-in roll cage installation and Porsche GT3 Clubsport retrofits
Benefits
  • CARB-compliant where applicable
  • Race and track builds without restrictions
  • Full electronic integration and calibration
  • Installation of customer-supplied or sourced kits

Book a visit, on your schedule.

Call (424) 786-6820