12496821 Intake Manifold – Vortec Head Design for TBI
£635.99
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12496821 Intake Manifold – Vortec Head Design for TBI
12496821 Intake Manifold – Vortec Head Design for TBI
- Designed for throttle-body fuel injection
- Aluminum intake will work with all Vortec cylinder heads, including P/N 12691728, P/N 19431662, P/N 19417592, P/N 19331470 and P/N 19331472
- Also accepts EGR
NOTE: The exhaust manifold from 1996-and-newer pickup trucks with RPO L31 350 engine, P/N 12557828, is drilled and tapped to accept an EGR tube. EGR pipe can be used with EGR valve P/N 19210662 and gasket P/N 12337972. This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. Blocks manufactured in 1995 or
earlier have thermostat bypass passage from the block directly to the water pump. If manifold is used on 1996 and later engines (which do not have the bypass in the block), you must run a coolant bypass line from the manifold to the 5
/8" hose nipple on the waterpump (passenger’s side). Suggested routing is from the 3/8" NPSF boss on manifold to thewater pump.
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