WebSpeedmaster™ cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel with a black oxide finish for added durability. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. ... Speedmaster Chevy BBC 454 Chromoly Head Bolt Kit. US $46.60 US $49.00 . 1 Review ... WebOct 5, 2024 · Speedmaster PCE281.2031: BBC Aluminum Cylinder Heads 119cc / 320cc A/Plug Hydraulic Flat Tappet Complete Heads - JEGS Engines & Components Cylinder Heads Speedmaster Complete Cylinder Head Kits View All Speedmaster Complete Cylinder Head Kits Speedmaster Cast Aluminum Cylinder Head Big Block Chevy 454 w/Hydraulic Flat …
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WebBolt on more horsepower with performance cylinder heads from Summit Racing! Shop cast iron, aluminum, CNC-ported, CNC-profiled cylinder heads & more. ... Speedmaster (161) Edelbrock (153) Mopar Replacement (88) … WebSpeedmaster Complete Cylinder Head Kits are available in a variety of configurations. Aluminum and cast iron construction allows you to choose the best material for race and street applications. tailgate party items
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WebMay 10, 2024 · Tustin, CA. May 10, 2024. #10. AL heads require less torque than iron heads on iron blocks because the thermal expansion on a AL head is >1.5x that of iron. Chevy 454 al head iron block combo only sPec 85 Ft/lbs on their Gen V1 Al head bolts. I can't imagine the ARP website doesn't have more detailed Al/Fe combo specs on their studs as they are ... WebMay 9, 2024 · Speedmaster aluminum heads with 2.055 intake and 1.60 exhaust... MP 590 camshaft.....Eddy Victor 340 intake worked on my IMM. Pac 1903 springs...Crane 1.5 … WebSpeedmaster As-Cast Cylinder Heads PCE281.2048. Cylinder Heads, As-Cast, Assembled, Aluminum, 62cc Chamber, 190cc Intake Runner, for Hydraulic Roller Camshaft, Ford, 289, … tailgate party synonym