ITEM DESCRIPTION
TIG welded CNC machine flange
O2 sensor bung insertion
Metal gasket included
2-Piece 4-1 Racing design(8-2-1)
Increase high flow air, instantly gain 10 to 15HP. / Tq.
Application
For Chevy Truck&SUV Headers 1988-1997 (5.0L, 5.7L V8 Engines)
For Chevy or GMC truck Small Block Header 88-97
For Chevy GMC Truck 307/327/305/350/400-- 5.0/5.4/5.7 Small Block V8 engine88-97
For Chevrolet C/K1500 C/K2500 Silverado Suburban Blazer Tahoe 307/327/305/350/400 5.0/5.4/5.7 V8 engine
For GMC Sierra Blazer Tahoe K5 Jimmy Carryall 307/327/305/350/400- 5.0/5.4/5.7 V8 engine