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ATK ENGINESPART NUMBER: 059-SBC64195
ATK High Performance Aluminum Cylinder Heads for Small Block Chevy
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
195cc Intake Runner
- ATK High Performance Aluminum Cylinder Heads
- Small Block Chevy
- Port Volume: 195cc/85cc
- Valve Size: 2.020"/1.600"
- 64cc Combustion Chamber
- Max Lift: .600"
- Hydraulic Roller Springs
- Assembled, Sold Individually
Material Casting A356-A Virgin Grade, Heat Treated to T-6 Valve Guides Manganese Bronze Valve Seats Alloy, For use with Unleaded Gasoline Valve Train Rocker Stud Size 3/8"-24 Guide Plates 5/16" Flat Pushrods 5/16" Hardened, Must Check Length Spring Retainers Chrome Moly Steel (7 Degree) Valve Locks 7 Degree (HD) Spring Locator I.D. Locator - 1.490" x 0.060" Valve Springs Specifications Pressure Spring O.D. Type Max Lift Coil Bind Seat Load Open Load 1.437" Dual 0.600" 1.125" 135# @ 1.800" 340# @ 1.200" Accessories Spark Plugs 14mm x 3/4" Reach - Gasket Seat - 5/8" Hex Head Bolts JEGS 555-83400 or equivalent Head Studs Standard SB-Chevy Stud Girdle JEGS 555-20510 or equivalent Rocker Arms Standard SB-Chevy for 3/8"-24 Stud Head Gasket JEGS 555-210041 or equivalent Accessory Bolt Locations Stock Placement Flow Specifications 
Intake Exhaust Port Volume 195cc 85cc Valve Diameter 2.020" 1.600" Valve Length 4.910" 4.910" Valve Stem Seal Diameter 11/32" x .530" 11/32" x .530" Port Dimension 2.150" x 1.300" 1.430" x 1.500" (D Port) Flow Rate @ 0.200" Lift 144 CFM 107 CFM Flow Rate @ 0.300" Lift 207 CFM 142 CFM Flow Rate @ 0.400" Lift 250 CFM 172 CFM Flow Rate @ 0.500" Lift 268 CFM 187 CFM Flow Rate @ 0.600" Lift 270 CFM 196 CFM Flow Rate @ 0.700" Lift 271 CFM 203 CFM Flow Rate @ 0.800" Lift 273 CFM 207 CFM Gasket JEGS 555-210000
or equivalentJEGS 555-210052
or equivalentTorque Specification Rocker Studs 45 ft/lbs. Manifold Bolts 35 ft/lbs. Head Bolts or Studs Per Manufacturers Specifications
ATK's line of Small Block Chevy high-performance cylinder heads offers quality and performance at a budget price. Developed by industry leading head designers, these heads incorporate the latest port designs for maximum efficiency and improved stock exhaust port location for better header fitment. Cast and machined from lightweight aluminum, ATK's high-performance cylinder heads are assembled in the USA for quality that can be counted on by drag racers and performance street machines.
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Features:
- Cast, Machined, and Assembled in the USA
- A356-A Virgin Grade Casting Heat Treated to T-6
- Manganese Bronze Valve Guides
- Available in either 64cc or 70cc combustion chambers
- Available with 185cc, 195cc, or 210cc Intake Port Volume
- Stainless Steel, Swirl Polished, and Undercut Stem Valves
- 2.02" Intake Valve Size (2.05 for 210cc Intake Port)
- 1.600" Exhaust Valve Size
- 1.437" OD Dual Valve Spring - .600" Max Lift
- Hydrualic Roller Valve Springs
- Chrome Moly Steel 7 Degree Retainers
- 3/8" -24 Rocker Studs
- 5/16" Flat Valve Guides
Part TypeCylinder Head
Product LineATK High Performance Aluminum Cylinder Heads
BrandATK ENGINES
Package Height11.0
Package Width15.0
Package Length29.0
Weight28.0 PG
Part CategoryPerformance Parts
QuantitySold individually
Vendor Part NumberSBC64195
Package Qty1
Package TypeEA
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