Products / Sprint Block

Sprint Block retains the ability to accept STD SBC cylinder heads and internal components but is externally modified this block is primarily designed for sprintcar racing and has a smaller than std bell housing for weight saving it is cast without an oil filter pad and fuel pump boss and no side engine mounts and can not accept a starter motor this is a full race cylinder block.

• Cast from virgin A356 T6 aluminium
• Priority mains oiling,
• Tapered main webs
• Billet steel caps
• Darton ductile iron sleeves
• A1 fasteners
• Dry sump only
• Std cam location

This block is available as the following configurations

• 350 mains 3.980" bore 9,025" deck 1.7/8 needle roller cam bearing
• 350 mains 4.115" bore 9.025" deck 1.7/8 needle roller cam bearing
• 400 mains 3.980" bore 9.025" deck 1.7/8 needle roller cam bearing
• 400 mains 4.115" bore 9.025" deck 1.7/8 needle roller cam bearing
• 350 mains 3.980" bore 9,025" deck 50mm needle roller cam bearing
• 350 mains 4.115" bore 9.025" deck 50mm needle roller cam bearing
• 400 mains 3.980" bore 9.025" deck 50mm needle roller cam bearing
• 400 mains 4.115" bore 9.025" deck 50mm needle roller cam bearing

Custom spec available at additional cost

• Custom deck height 8.750" to 9.200"
• Needle roller cam bearings 55mm note depends on stroke and rod journal size
• Lifter bores .842" .875" .903"
• Side light weighting
• Front and rear light weighting
• Lifter bore location and angles

• Special features all oil gallery are machine for use of AN oring style fittings
• Block is fully debured with no extra work required
• All block have been heat cycled with torque plates fitted to assure seating of sleeves is absolute
• All blocks inspected before shipping