![]() ![]() They are great for their intended usage, …Peanut port heads, a staple of the early to mid 1990’s big block Chevrolets, were never considered a performance cylinder head. Peanut port refers to the very small "round" ports used on late 70-mid 90's motors. The "peanut port" heads come .8,923 Republic of Texas No they are not the same. ![]() The runners are a little bit larger and are a better casting (HP wise) to start with. They were designed to produce good torque numbers with a relatively small throttle. In fairness to GM, they weren’t designed to. They feature small oval ports that just don’t flow a lot of air. Peanut port heads, a staple of the early to mid 1990’s big block Chevrolets, were never considered a performance cylinder head. AFR Heads, 3610 BBC AFR 265cc Oval Port Heads, 109cc, Hydraulic Roller Springs. stanley 40 oz cup AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2.190 Intake 1.880 Exhaust Valve, CNC bowl blend, Partially CNC Chamber w/ Hydraulic Roller Springs. ![]() mr softee ice cream truck prices peanut port bbc heads-do they make power? can you upgrade the gen-v 454 truck motor? how much power does a stock 454 make? what is a good cam upgrade for a t.Big Block Chevy Multi-Port Power Pack Kit for Standard Deck, Peanut Oval Port heads: includes Holley EFI single plane intake 2500-6000 RPM Power Band and 1000cfm Throttle Body New Holley Big Block Chevy Multi-Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, injectors or sensor connectors. (These heads are becoming scarce as they were replaced early in production with “peanut port” versions.) AFR’s smallest oval port head has a 265 cc intake port volume and flows up to 350 cfm – a whopping 30 percent more airflow. GM’s larger oval port head has an intake port volume of around 255 cc and flows about 270 cfm of air. ![]()
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