Worn or flexing rocker arms let valve timing drift on a hard-working Jeep inline-six, robbing power and adding noise. Scorpion Racing Products built this Off-Road Series rocker arm to keep that geometry locked in.

Scorpion Racing Products SCP0502-1 Non-Adjustable 1.7 Rocker Arm Features:

• Non-Adjustable Seat
• Designed to fit 232ci, 258ci, and 4.0L AMC/Jeep inline-six engines
• Aerospace-grade 7000 series billet aluminum body
• Precision-ground needle roller bearings
• Centerless-ground fulcrum and roller
• Bearing-quality ground 100 carbon steel pin
• Steel dual pedestal for correct rocker arm to valve alignment
• Body geometry optimized to deliver a true 1.7 ratio
• 5/16 in. mounting hardware included
• Handles up to 380 lbs. of open valve spring pressure (max recommended for 5/16 in. fastener)
• Clears the stock valve cover with removal of the internal PCV baffle
• Sold Individually