Available in flat-top for standard compression with factory 1200cc heads, and higher compression 10 degree dome-top for use with Thunderstorm® and factory 1200 XL heads (raises compression in factory 1200 heads to 10.5:1).

Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.

Weight 1 lbs

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