Throttle Body TBI Spacer Adapter Big to Small Bore 87-95 Chevy GMC 1500 5.7L Comes with bolts and Garlock gaskets, Installs In 30-45 Minutes 

1" Thick 6061 Aluminum


Fits:

CHEVROLET C1500 PICKUP 1988-1995 V8 5.7L, V6 4.3L

CHEVROLET C3500HD 1992-1995 V8 5.7L

CHEVROLET K1500 PICKUP 1988-1995 V8 5.7L, V6 4.3L

CHEVROLET S10 PICKUP 1994-1995 V6 4.3L

GMC C1500 PICKUP 1989-1995 V6 4.3L, V8 5.7L

GMC C2500 PICKUP 1989-1995 V6 4.3L, V8 5.7L

GMC C3500 PICKUP 1989-1995 V8 5.7L

GMC C3500HD 1992-1995 V8 5.7L

GMC K1500 PICKUP 1989-1995 V6 4.3L, V8 5.7L

GMC K2500 PICKUP 1989-1995 V6 4.3L, V8 5.7L

GMC K3500 PICKUP 1989-1995 V8 5.7L