HEAD Lump Ported Intake NEW GM NOS 153 4 CYLINDER Chevy InlineMrhotrod6 Motorsports 153 4 CYLINDER Intake ported Lump Porthead. T 6 Racing Often Imitated Never Duplicated! The head in the photo is the exact head that will be shipped to you; it is not a generic photo. Intake port divider mill removed; top head bolt access hole threaded for 1 2 pipe plugs to access the two supplied special head bolts. The T6 bolt in, no welding required Port Lump kit was installed at T6 Racing by "Lumps by Larry. We had the T6G2

we even install a custom spring retainer so there is no way the performance spring can spiral thread itself out

It offers wear ability without case hardening

and CNC machined from a slab of billet 6061-T6 aluminum plate

then stress relieving it in a precisely controlled furnace

Bolt kit is included with 6 SS bolts

We have tested and used many Billet Steel Roller Cams smaller and larger than this one and we would not all consider this a good street able Cam Shaft at all

250 / 292 Chevy Inline 6

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Not only where they built from the OEM

The linkage upright rods can easily be unscrewed and turned down to whatever height you need for hood clearance

A NEW modified pressed steel front cover with gasket and seal

ability to rebound and resistance to corrosion