Porsche 911 Flat-Six 3.5L Engine and 915 Transaxle

This 930/21 Porsche flat-six is said to have been rebuilt and modified by Bob Barnes Motorsports to displace 3.5 liters and features Mahle pistons, twin-plug cylinder heads, Elgin camshafts, and a modified case. The rebuilt Type 915/60 five-speed manual gearbox features custom gears, a Quaife limited-slip differential, and a Wevo side cover. An IMI high-torque starter, a 911 RSR-style flywheel, a Rennline stainless steel engine cross brace, Wevo engine mounts, and other parts are also included in the sale.

Asking $40,000