GM 85mm Throttle Body - LS1 w/Cable Style Thrtl.

The BBK Performance GM 85mm Throttle Body with cable-style actuation is purpose-built for LS1-powered platforms, delivering precise fuel delivery and responsive throttle control in high-demand applications. Engineered for GM F-Body vehicles from 1998–2002 and compatible with LS-series engine swaps, this throttle body addresses the critical need for accurate airflow metering in modified and stock engine builds. Whether you're upgrading a Camaro, Firebird, or Trans Am, or integrating an LS powerplant into a chassis swap, this component ensures consistent performance across the RPM band.

Manufactured from durable aluminum and finished in natural mill, the 85mm single-blade design provides optimal volumetric efficiency without introducing resonance or flow restrictions common to smaller diameter units. The three-bolt mounting flange integrates seamlessly with GM LS-series intake manifolds, while the cable-style throttle linkage allows direct mechanical control—eliminating electronic complexity and maintaining simplicity in older fuel-injection conversions or carbureted-to-EFI transitions. Precision casting and tight tolerances ensure repeatable idle quality, predictable transition response, and stable cruise characteristics across varying load conditions.

Ideal for engine builders, restoration shops, and performance enthusiasts executing LS swaps or stock LS1 upgrades, the BBK Performance 85mm throttle body simplifies installation on 1998–2002 GM F-Body platforms while providing the flow capacity necessary for naturally aspirated and moderately boosted applications. Its cable-actuated design appeals to tuners prioritizing mechanical reliability and minimal electronic diagnostics, making it a trusted choice for track-focused builds and street applications alike. Verify manifold compatibility before purchase; this unit is optimized for OEM GM LS intake configurations and verified F-Body factory mounting points.