C4 transmission built by Cooks in Spartanburg SC. Transmission has pro tree brake, trick flow deep pan, 26 spline input shaft. Come with PA SFI bellhousing for SBF and locking dipstick. Transmission is a case fill. Transmission was behind a 410 sbf making 675hp and has been a [email protected] in the 1/8 miles $800. Would prefer local pickup or willing to meet 1/2 up to 200 miles.