Butler-Powered 1970 Pontiac Firebird @70fbird Standard stroke 400 BP8021 cam with 1.65 rockers Butler ported 310cfm heads And a custom 2.5” exhaust with an x pipe Link to cam: https://butlerperformance.com/i-31643254-butler-comphi-torqstreet-performance-billet-roller-cam-master-kit-hr-276-282-224-230-503-510-choose-lobe-separation.html?q=8021 link to heads: https://butlerperformance.com/i-30243773-butler-performance-edelbrock-d-port-cnc-machined-pontiac-87cc-310cfm-cylinder-headspairbpi-87cc-edl

We are revving it up for the weekend! We hope you are too! Butler Performance Aluminum 505 Pontiac Engine with a BP/FAST Sportsman XFI direct port EFI system and our CNC ported Edelbrock heads. This engine made 682 HP & 692 TORQUE! | Butler Performance Pontiac

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