zz4 crate engine

SKU: fc2213097460 Category:


a popular high horse power engine in cars and boats,they have a class of boat racing that use these engines….some specs,4 bolt main, forged steel crankshaft, powdered metal steel conrods, hydralic roller camshaft, .474/.510 lift, 208/221 duration, alloy 58cc heads, 1.94/1.5 valves, 10-1 compression, recommended fuel 92 octane, …355 horse power @5400 rpm, 405 lb.-ft @3600 rpm.