Mr Gasket Performance Exhaust Gasket for Round Port 1.92" Dia MG152 Model Cars & Engines Each thermostat housing outlet can

Each thermostat housing outlet can be un-screwed exposing a female 1-1/4"-20 thread to adapt a AN fitting or a larger barb fitting for custom applications

GM LS1 OE Rocker Arm SetStraight Design

AF455-10-08

66" Valve stem diameter: 3/8" Valve guides: Manganese bronze Deck thickness: 5/8" Valve spring diameter: 1

Mr Gasket Performance Exhaust Gasket for Round Port 1.92" Dia MG152 Model Cars & Engines Each thermostat housing outlet canMr Gasket Performance Exhaust Gasket for Round Port 1. 92" DiaSuit Big Block Chevy 1965 90 with Cast Iron Aluminium Heads MG152 152 Mr Gasket was the first manufacturer to incorporate slotted mounting bolt holes at the ends of each exhaust gasket. This allows the gasket to be installed without removing the header flange or exhaust manifold entirely from the cylinder head, making installation faster and easier