"NEW" Willys 134-L 4 Cylinder Engine Block With Gear Drive Timing Setup
These new blocks are cast in a modern formulation of gray iron which is harder and more durable than the original manufactured blocks. Machining is accomplished on CNC machines with tolerances exceeding .0005” (greater than the original machining capabilities). All machined surfaces are milled to the original design specifications.
This Block should be assembled only by experienced, professional engine builders.
Upon receiving this block, it should be thoroughly inspected for shipping damage.
Prior to assembly, please inspect the following items:
Cylinder Bores - Oil Passages - Deck Surfaces - All Threads
Initial measuring should be done prior to assembly.
•Cylinder Bore: 3.1255″ +/- .0005″
•Valve Guide Bore Diameter (In & Ex): .374″ +/- .0005″
•Valve Seat Surface Width: .09375″ to .125″ +/- .0005
•Tappet Bore Diameter: .626″ +/- .0005″
Final washing should be very thorough, paying particular attention to all oil
galleys (remove all oil galley plugs prior to cleaning). Use hot soapy
water and rinse with hot water first followed by cold water which helps
Pipe Plugs & Freeze Plugs
All oil galley taps are 1/8” & 3/8” NPS; Plugs are NPT tapered; Block is
fitted with five 1.25” freeze plugs and one 1.75” cam plug