PROCOMP BB CHEVY COMPLETE ASSEMBLED ALUMINUM CYLINDER HEADS 500 99

500      99

STS BB-4 XTRA   565 - 632                 13

0 Call S 1000222 AT 4125 375 4

quicker acceleration

30                        881

PROCOMP BB CHEVY COMPLETE ASSEMBLED ALUMINUM CYLINDER HEADS 500 99CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. PC3021C FF281. 1003 301768468043 New set of complete Aluminum Big Block Chevy Pro Comp Motorsport Heads Produce up to 734 HP Out Of Box With Advanced Port Design Manufactured from 356 T6 aluminum Have Accessory holes to except factory accessories. 320cc Intake Runners 119cc Chambers Spring pads are machined to 1. 740 to except the largest roller springs Bronze Valve Guides Premium Hardened Seats 2. 250