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Instruction Sheets for Part Number NAL-12496821
Chevrolet Performance Vortec Intake Manifolds with TBI
Intake Manifold, Vortec EFI, Aluminum, Natural, Throttle Body, Chevy, GMC, 5.7L, Each
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Overview
Brand:
Manufacturer's Part Number:
12496821
Part Type:
Product Line:
Summit Racing Part Number:
NAL-12496821
Cylinder Head Configuration:
Vortec
Fuel Injection Style:
Throttle body
Basic Operating RPM Range:
Idle-5,500
Intake Section Included:
Complete
Engine Block Deck Height:
Standard deck
Injectors Included:
No
Multi-Port Fuel Rails Included:
No
EGR:
Yes
Aftermarket Fuel Rail Required:
No
Throttle Body Included:
No
Supplemental Bosses Cast-In:
No
Supplemental Bosses Machined:
No
Runners Included:
No
Runners Removable:
No
Plenum Material:
Aluminum
Plenum Finish:
Natural
Base Material:
Aluminum
Base Color:
Natural
Remanufactured:
No
Quantity:
Sold individually.
Notes:
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 water pump (passenger's side). Suggested routing is from the 3/8 NPSF boss on manifold to the water pump.
Chevrolet Performance Vortec Intake Manifolds with TBI
These Vortec manifolds with TBI from Chevrolet Performance are designed for maximum horsepower with throttle body fuel injection and EGR usage. These manifolds will fit all Vortec-designed cylinder heads.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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