4-bolt center main cap for 1300 A+ Mini engines. Has no thrust surfaces for fitting crank thrusts as is standard in many competition engines.
Line boring is required when fitting this main cap as is drilling and taping for an extra two (2) outermost 3/8" UNF bolts.
Line boring is required when fitting this main cap as is drilling and taping for an extra two (2) outermost 3/8" UNF bolts.
4-bolt center main cap for 1300 A+ Mini engines. Has no thrust surfaces for fitting crank thrusts as is standard in many competition engines.
Line boring is required when fitting this main cap as is drilling and taping for an extra two (2) outermost 3/8" UNF bolts.
Line boring is required when fitting this main cap as is drilling and taping for an extra two (2) outermost 3/8" UNF bolts.
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