Racing Head Service (RHS) 1620-1 Features: Cast 8650 Chromemoly Steel Body Arched Web-Like Design Increase Strength And Rigidity CAD/FEA Design Black Oxide Exterior Helps Prevent Corrosion Increased Retainer/Spring Clearance Lifetime Guarantee On The Rocker Body Height: 6.50" Width: 3.75" Length: 2.00" Weight: 0.52 lbs Vehicle Type: Racing Head Service (RHS) 1620-1 Ultra Pro Magnum Rocker Arms Fitment: 1989/GMC/V3500/Sierra Classic Standard Cab Pickup 2-Door/7.4L 454Cu
In. V8 GAS OHV Naturally Aspirated::N/ A^^1989/GMC/V3500/Sierra Classic Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::N/ A^^1989/GMC/V3500/Sierra Classic Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::N/ A^^1989/GMC/V3500/Sierra Classic Cab & Chassis 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::N/A^^1989/GMC/V350...
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