Shearer Fab Hi-Ram Large Plenum Lid – For Nick Williams 112mm & 120mm Throttle Bodies

Elevate your intake system with the Shearer Fab Large Plenum Lid, designed specifically for use with Nick Williams 112mm and 120mm throttle bodies that feature the 126mm x 70mm bolt pattern. This is a perfect upgrade for high-horsepower, naturally aspirated builds looking to maximize airflow, throttle response, and intake efficiency.

Key Features:

Large Plenum Volume: Ideal for large displacement N/A applications needing additional air volume for high RPM performance
CNC Billet Front Plate: Precision-machined with a smooth radius’d and tapered inlet for optimized airflow
Throttle Body Clearance: Provides improved clearance compared to cast lids – perfect for larger throttle bodies
Premium Welding: High-quality, professional-grade TIG welds for durability and clean aesthetics
Made for Big Air: Accepts Nick Williams 112mm and 120mm throttle bodies with 126mm x 70mm bolt pattern ONLY

Fitment:

Fits Holley Hi-Ram, MidRam, and LoRam intake manifolds
Compatible with LS, LT, SBF, and Gen 3 HEMI engine applications
Throttle bodies with a 126mm x 70mm bolt pattern ONLY

Whether you're building a high-RPM drag car or a hardcore street machine, the Shearer Fab Hi-Ram Lid is engineered to support serious power while delivering outstanding throttle response and airflow characteristics.

⚠️ Note: This lid is only compatible with throttle bodies using the 126mm x 70mm bolt pattern. Please verify your throttle body dimensions before ordering.