JLine Performance BBC Aluminum Block 9.8 Deck - ZL1

JLine Performance Racing Block Made in the USA Block comes with O-ring freeze plugs and all oil galley plugs are O-ringed as well All blocks feature ARP fasteners with 12 point nuts and serialized billet caps Block is available in standard cam height Bore size - 4.314 Available with Std cam tunnels all the way up to 60mm Roller bearing tunnels Lifter bores are available in .842, .904 or .937 sizes 9.8 Aluminum Block weight - 135lbs - Shipping fees are not included.