AS41 aluminum bubble-top case for sale | 356 Speedster, 550 Spyder, Replica, Automotive Community

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Will Hesch

Like new

Cut for 90.5/92 cylinders, clearanced for 82mm crank, cut for front sand seal, double pressure-relief valves, #3 cylinder area filled, shuffle pins,10mm studs, full-flowed. It has a lengthened oil pick-up for an added sump which can be cut-off to stock length.

$650 free U.S. shipping (UPS Ground) for Contributing Members ($30 for all others)

call or text Will at 805-550-7865

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6/12/1710:49 AM

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aircooled(Bruce) Supporting Member

Looks new ! How come your selling it Will ?.........Bruce

Will Hesch

It's almost new.

I'm having the new motor built on the mag case.

Fpcopo VS

My case is an AS41 and its magnesium.

WOLFGANG'89 CMC FWB, FL Supporting Member

AS41 is a case made of 4% aluminium and 1% Silicon - rest is magnesium. An AS21 case is only 2% aluminium so its a bit stronger.

Will Hesch

The AS41 cases come in aluminum or magnesium

Will Hesch

sold

Bill Prout

Alum will run hotter I've read.

aircooled(Bruce) Supporting Member

Yup and 19 lbs. heavier...........Bruce

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