Crower 74400X259F Features:

Crower 74400X259F replacement shaft rocker mounting base exhaust stand for 1-piece BBC stand setups 5/8 in. exhaust stand designed for one-piece Big Block Chevy shaft rocker configurations Stamped with ID #259F to verify correct replacement part selection and installation Fits Crower shaft rocker systems for BBC Sniper 320cc (355-375) cylinder heads

Exhaust Stand 5/8 For On 1-Piece BBC Exhaust Stand Features:

• 5/8 in. exhaust stand for 1-piece BBC shaft rocker systems, maintains precise rocker geometry under load
• Replacement base stand for BBC Sniper 320cc 355-375 heads, pairs with intake stand ID 258F for correct setup
• Stamped ID 259F for accurate part matching, helps ensure proper exhaust-side replacement in 1-piece assemblies
• Engineered to cylinder head specifications, supports maximum lift stability while reducing valvetrain deflection
• Low-friction valvetrain support design, minimizes frictional loss and avoids additional machine work in matched applications