Chevrolet Performance 12681429 GM Goodwrench 350ci Crate Engine 195 HP

Description

Specifications4-bolt main with 2-piece rear main sealNodular iron crankshaft4.000'' bore x 3.480'' strokeInternal balanceLT1/LT4 powdered metal connecting rodsCast aluminum pistons (dished)8.5:1 compression ratioHydraulic flat tappet cam (.383"/.401" Lift, 194 / 202 Duration @ .050", and 112 lobe separation)Cast iron cylinder heads with 76cc chambers1.940'' Intake / 1.500'' Exhaust valves1.250'' diameter valve springs1.5:1 ratio rocker arms3/8'' pressed-in rocker studsBlock is compatible with left or right side oil dipstick (Requires Plug for Unused Side - sold separately) -  p/n 809-14091563 left side plug; or p/n 809-9421743 right side plug4-quart oil panOil pump, oil pump pickup and oil pump drive shaft installedIncludes timing tabs for a 6-3/4" or an 8" balancer (balancer not included)Recommended spark plug: 14mm thread, .460" reach, 5/8" hex, tapered seat, projected tip (AC Delco p/n 065-R45TS Autolite p/n 417-144)Not Intended for Marine UseRequires p/n 809-19299222 or p/n 555-23605 Oil filter adapter (not included)Not Intended for Marine UseNo core charge Major Components NOT Included:StarterFlexplate/FlywheelHarmonic Balancer BoltWater PumpIntake ManifoldCarburetorFuel PumpFuel Pump PushrodDistributorSpark Plugs WiresOil FilterGasketsMotor Mounts