Official Release:
Summit Racing™ SPC Engine Blocks
Summit Racing™ SPC Pro LS Blocks are aftermarket Engine Blocks made for “Street, Performance, or Competition.” These brand new aftermarket blocks are a hybrid combining features from both Gen III and IV models. They are cast in a modern state-of-the-art German foundry on brand new molds and machined in USA on modern high-speed machining centers. We ship these blocks mostly finished but leave the cylinder bore .005″ undersize, your machine shop will have to hone them for proper size. This block is a great foundation for your engine build.
Features:
• Cast in Germany at a Tier 1 OEM foundry
• Made with class 35 Iron Alloy, Higher tensile strength and harder than competitors’ class 30
• Machine-finished in USA on precision hi-speed machining centers- All dimensions are held to very close blueprint tolerances
• 468 Cu in. Capacity, 4.185 in. Max bore, 4.250 in. Max stroke
• Ventilated, 6-bolt Billet Steel main caps, 180,00 PSI main bolts included
• Standard 9.240 in. deck height and optional 9.705 in. Tall deck available
• Siamese Cylinder Walls skirts extended .250 in. or .700 on tall deck version
• Standard 4 or Optional 6 bolt per cylinder head bolt patterns
• 4.065 in. or 4.125 in. Bores finished to -.005 in. undersize, Machine Shop Hone to fit
• Cast in stroker clearance for 4.00″ steel rods Can Fit 4.250 in w/extra clearancing
• Priority main oiling system with center crossover eliminates cam retainer leaks
• Requires Specific cam retainer plate, Gen IV Cam Bearings, Head Bolts, Valley Cover, and Cam Position Sensor
Rick Seitz is the owner and founder of AutoCentric Media, the parent company to Timeless Muscle Magazine, and has a true love and passion for all vehicles. When he isn’t tuning, testing, or competing with the magazine’s current crop of project vehicles, he’s busy tinkering and planning the next round modifications for his own cars.
