What torque spec and sequence should I use for an SBC 350 intake manifold?
Documented on the Chevrolet Small Block 350 (sbc 350) build
Published April 27, 2026
Follow the intake manufacturer's spec if available; common practice is to torque in multiple stages from the center outward using the OEM sequence.
Full Answer
Follow the intake manufacturer's spec if available; common practice is to torque in multiple stages from the center outward using the OEM sequence. Exact ft-lb values vary by manifold/gasket—consult the component documentation or a service manual for the SBC 350.
Documented In This Build
Related Knowledge
What clearance issues are common on SBC intake installs?Do I need RTV sealant when installing intake gaskets?Any tips for preventing vacuum/fuel leaks after installation?How important is degreeing the cam?What torque sequence and values should I use for SBC heads?How do I set lifter preload or hydraulic lash?What should I do to prepare the engine for first start and break-in?What torque should I use on the crankshaft bolt?
Related Parts
Intake manifold
$350
Intake manifold gasket set
$40
RTV silicone sealant (engine-safe)
$6
Intake bolts / studs & washers
$25
Carburetor (4-barrel)
$275
Related Tools
Torque wrench
Socket and ratchet set
Gasket scraper / razor
Shop rags / brake cleaner
Torque angle gauge or marking tool
Related Videos
Small Block Chevy 350 Build Pt. 6 | This Is How It's Actually Supposed To Be Done
Small Block Chevy 350 Build Pt.3 | Filing rings and checking main clearances
Small Block Chevy 350 Build Pt.5 | Continued frustrations with rod clearances
Small Block Chevy 350 Build Pt. 7 | Checking Crank Clearance and installing the rods.
Small Block Chevy 350 Build Pt. 8 | Installing Camshaft and timing components
Small Block Chevy 350 Build Pt.1 | Lifting This Engine Without Breaking It