KDD 6.7 O-Ring Cylinder Heads

Core I'll ship my core first I'll pay refundable core charge first

CNC Porting None Add CNC port profile with upgraded Stage 2 Springs ($2000)

Valve Springs Stock Plus - Stage 1 (Standard) Street Performance - Stage 2 (Adds $325)

I'll ship my core first / None / Stock Plus - Stage 1 (Standard) I'll ship my core first / None / Street Performance - Stage 2 (Adds $325) I'll ship my core first / Add CNC port profile with upgraded Stage 2 Springs ($2000) / Street Performance - Stage 2 (Adds $325) I'll pay refundable core charge first / None / Stock Plus - Stage 1 (Standard) I'll pay refundable core charge first / None / Street Performance - Stage 2 (Adds $325) I'll pay refundable core charge first / Add CNC port profile with upgraded Stage 2 Springs ($2000) / Street Performance - Stage 2 (Adds $325)

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