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Big Block Bare Cast-Iron Gen V and Gen VI Cylinder Head
Suggested Retail: $1030.64
SERVICE REPLACEMENT HEADS Chevrolet Performance service replacement cylinder heads are direct replacements on most 1990-and-later GM Big-Block 454-cubic-inch and 502-cubic-inch engines. These cylinder heads meet GM’s stringent quality standards and provide excellent service and durability not found in used cylinder heads. The cylinder heads have rectangular intake ports.
Service Replacement Head Technical Notes: • Cast-iron • Rectangular intake ports • Machined for 2.180"/1.880" (3/8" stems) valves • Non-adjustable rocker arm design • Heads have heat risers • Will not work on production Mark IV cylinder blocks
Bare Cast-Iron Gen V and Gen VI Cylinder Head • Bare cast-iron head • 118cc combustion chambers • 7/16" accessory bolt holes