Head Specifications
the oil grooves on most applications extend all the way around both halves for better oiling
1964-1972 GM A Body ( Chevelle
8" Dual Diaphragm Booster
- Temp range -40°C (-40°F) to 100°C (212°F)
ENGINE TECH MAIN BEARINGS .030 SBC (Bi-metal aluminum alloy, A-Series) Carburettors Head SpecificationsEngine Crankshaft Main Bearing Set Main Bearings, . 030 in. Over Size, Tri Metal, 1 2 Groove, Chevrolet, Small Block, Set of 5 Fits various model years of the following vehicles: Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac Enginetech main & rod bearings have been the choice of rebuilders for over 25 years. About ten years ago, when aluminum bearings were first being introduced, Enginetech continued to produce the higher quality tri metal 780