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BP BB-2 XTRA 540 - 582 13
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Manufacturer Part Number: 11570-16
0 R 2
COMP CAM 1620-16 BBC ULTRA PRO MAGNUM 1.7 ROLLER ROCKERS AND NUTS BP BB-2 XTRA 540 -CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. COMP Cams Big Block Chevy Ultra Pro Magnum Roller Rockers#1620 16 7 16" Rocker Stud 1. 7 Ratio POLY LOCKS INCLUDED Ultra Pro Magnum Rockers are made of 8650 chromemoly steel. This material is three times stronger than 7075 T6 aluminum which is used for most aluminum rocker arms. Ultra Pro Magnum Rockers have less weight (5%) at the valve train than most aluminum rockers. This means more RPM and valve
US$ 132.50
US$ 137.00
