PRODUCTS We are not a parts reseller, we conduct extensive R&D to construct top quality products that carry the DSI name. From our custom cam grinds to our in-house designed pistons and rods, we focus on products that perform as great as they look. ENGINES Datsun L series engines are our specialty. We construct all out performance engines delivering naturally aspirated power utilizing our in house designed products delivering serious performance. SERVICES At Datsun Spirit, Inc. we offer a complete list of services for your Datsun. From SU carburetor tuning or fuel injector work, to a frame up restoration or complete modification. What's New We now have the NEW DSI/Jenvey ITB setup available 17 Apr 2018 We now have the New DSI/Jenvey ITB setup available! We just received the shipment of the ITB manifolds form Jenvey Read more → L-series ITB manifold in collaboration Between Datsun Spirit, Inc and Jenvey Dynamics Ltd, U.K 12 Dec 2017 Datsun Spirit, Inc. and Jenvey Dynamics, Ltd of UK have been working in collaboration on ITB manifold kit for Datsun Read more → test 25 Jun 2017 Test Read more → Mike’s 71 240Z 30 May 2017 Mike is the original owner of this resto-modified 1971 240Z, furnished with the Datsun Spirit signature series setup (STD engine + 6 slide Read more → Tidewater Z Car Show 2016 29 Jun 2016 Tidewater Z Car Club show was held at Quaker Stake & Lube parking lot on 6/25. The beach traffic was Read more → View More Posts