Loading... Please wait...The MKII is an AAC design meaning an aluminum piston, an aluminum liner and chrome plate on the liner. It has a die cast case & alloy steel crankshaft.
This .049 is also schnurle ported for more power and better performance.
WEIGHT: 1.7 oz.
BORE - .400 in. Stroke (.395 In.)
SHAFT: 4mm. (.157)