Small Block Heads

894 heads are X heads only with only 2.02" intakes. They are a different casting, but similar specs to 915. The pushrod holes were machined differently in the T/A 915 heads to accomodate the offset rockers. LA engine guides are all the same.
U is a casting
pushrod machining makes a head a 6 pac head- rare
u can have the same casting machined standard- most are
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