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170cc Intake Runner
- Cylinder Head
- Reman Chevy Vortec
- 170cc Intake Ports
- 64cc Combustion Chambers
- 1.940"Int./1.500"Exh. Valves
- 1.250" Valve Springs, .475"Max Lift
- 3/8" Rocker Studs
- Straight Plug
- Assembled, Sold Individually
Material Casting Iron Valve Guides Manganese Bronze Valve Seats Steel Valve Train Rocker Stud Size 3/8"-24 Guide Plates Not Included Pushrods 5/16" Hardened, Must Check Length Spring Retainers Chrome Moly Steel (7 Degree) Valve Locks 7 Degree (HD) Spring Locator I.D. Locator - 1.253" x 0.120" Valve Springs Specifications Pressure Spring O.D. Type Max Lift Seat Load Solid Height 1.250" Single 0.475" 80# @ 1.700" 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 
Flow GraphIntake Exhaust Port Volume 170cc 61cc Valve Diameter 1.940"
(Stainless Steel)1.500"
(Stainless Steel)Valve Length 4.910" 4.910" Valve Stem Diameter 11/32" 11/32" Valve Stem Seal Diameter 0.500" (Rubber) 0.500" (Rubber) Port Dimension 1.080"H x 2.000"W 1.500"H x 1.580"W (Rectangular) Flow Rate 211.37 CFM @ 0.500" Lift (28" H20) 157.41 CFM @ 0.500" Lift (28" H20) Gasket JEGS 555-210003
or equivalentJEGS 555-210050
or equivalentTorque Specification Rocker Studs 45 ft/lbs. Manifold Bolts 11 ft/lbs. Head Bolts or Studs Per Manufacturers Specifications
Part TypeCylinder Head
BrandJEGS
Package Height7.0
Package Width9.5
Package Length21.75
Weight44.56 PG
Vendor Part Number514005
Package Qty1
Package TypeEA
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