Products

228/238 .611/.602 113.5. Phaser lock out required. 3200+ stall converter recommended. Great fit for 5.7/6.4s that want the most out of the stock bottom end. Highly suggest 5.7 cars pair with our 6.4 intake manifold kit.

236/248 requires aftermarket pistons

239/251 requires aftermarket pistons

HP Canned Tuning For stock, or bolt-on cars, trucks, and Jeeps, we offer "canned" tunes. Our canned engine/transmission tunes are designed for common bolt-on combinations of aftermarket parts. Such aftermarket parts can include cold air intakes,...

As of May 2025 - please allow 2-3 weeks for fulfillment if out of stock. Please email Info@streetdrivenspeed.com for availabiity.  To minimize issues with quality of castings, we will source all cores used in the CNC...