Speedmaster®

LS 4 Bolt 102mm to LS1 96mm 3 Bolt Throttle Body Adapter

Speedmaster® 1-539-002 LS 4 Bolt 102mm to LS1 96mm 3 Bolt Throttle Body Adapter
Speedmaster® 1-539-002 LS 4 Bolt 102mm to LS1 96mm 3 Bolt Throttle Body Adapter
Speedmaster® 1-539-002 LS 4 Bolt 102mm to LS1 96mm 3 Bolt Throttle Body Adapter
Speedmaster® 1-539-002 LS 4 Bolt 102mm to LS1 96mm 3 Bolt Throttle Body Adapter
US $28.40
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MPN 1-539-002 UPC840136502890

Product Information

Overview

These adapter plates are offered for several different applications, but they are all made from aerospace-grade aluminum. Adapter plates are available in a variety of straight and tapered through hole diameters.

Specs

Brand:Speedmaster
Part Number:1-539-002
Part Type:Throttle Body Adapter, EFI Manifold
 
Throttle Body Bore Size:96mm
Throttle Body Adapter Material:Aluminum
Throttle Body Adapter Finish:Natural
Quantity:Sold Individually
 
Notes:102mm tapers to 96mm for intake. Converts 3-bolt intake to 4-bolt throttle body. Includes new gasket and bolts.

Warranty Information

12-Month Limited Worldwide Warranty

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Installation Guide

Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.

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This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.