- Engines & Components
- Cylinder Heads
- Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
The 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 brand-new cylinder heads meet GM's stringent quality standards and provide excellent service and durability not found in used cylinder heads!
Technical Notes:
- Cast-Iron or Aluminum
- 325cc Rectangular Intake Ports
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- 118cc combustion Chamber
- Machined for 2.180"/1.880" (3/8" stems) Valves
- Non-Adjustable Rocker Arm Design
- Heat Risers
- Will not work on Production Mark IV Blocks
- Sold Individually
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PART TYPE
PART TYPE
BRAND
BRAND
RATING
Exhaust Valve Diameter
Intake Valve Diameter
Push Rod Diameter
Valve Spring Maximum Lift
Deck Height
Combustion Chamber Volume
Valve Spring Diameter
Deck Thickness
Intake Runner Volume cc
Part Fitment
Intake Runner Volume
Part Category
Vendor Part Number
Valve Seats Machined
Intake Valves Included
PRICE
Big Block Chevrolet Service Replacement Head
Chevrolet Performance 12562925
Chevrolet Performance Gen V & Gen VI Service Replacement Head, Bare Head 7/16"
$950.78
Ships on 09/25/24
FREE Shipping
Lowest Price Guarantee
Chevrolet Performance 12562920
Chevrolet Performance Gen V & VI Service Replacement Head Complete Assembly 3/8"
$1,158.12
Ships on 11/05/24
FREE Shipping
Lowest Price Guarantee
Chevrolet Performance 12562917
Chevrolet Performance HT 502 Replacement Cylinder Head Round Intake Port
$1,152.60
Ships on 09/25/24
FREE Shipping
Lowest Price Guarantee