FS: LS3 821 heads with BTR .660 spring kit
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LS3 821 heads with BTR .660 spring kit
Just pulled my motor. I have 821 casting ls3 heads with BTR .660 dual spring kit. Has about 2300 miles on valvetrain Heads are working perfectly when
SOLD
Last edited by LSMAC; 10-17-2018 at 09:11 PM. Reason: SOLD
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LSMAC (10-14-2018)