LS2 to LS1 throttle body adapter

Alper Motorsports Throttle Body Adapter with Oring and Hardware.

LS1 intake manifold adapter for LS1 Intake to LS2 4 Bolt throttle body. 

This adapter allows the use of a LS2 style throttle body to be used with an LS1/LS6 style intake manifold. 

This adapter will work with any three bolt intake manifold (LS1, LS6, truck style) and four bolt throttle body (LS2, LS3, LS7, L92, L99, L76).

Made at Alper Motorsports in-house CNC Billet piece of 6061-T6 aircraft grade aluminum. It is 3/4" CNC Face milled on both sides.  

90mm on the throttle body side and 75mm on the intake manifold.

Alper Motorsports have designed this adapter with an o-ring for a leak free seal.

Can Be used with 92mm FAST throttle body. this adapter will work perfectly. We provide hardware to bolt the adapter to the intake manifold