B3 racing Mike, makes custom shaft shims for your heads & cam combination. Instead of a bunch of stacked funky shims.



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Last edited by csk; 09/02/18 01:57 PM.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5