Product Discontinued

JEGSPART NUMBER: 555-514002

Cylinder Head Small Block Chevy

Name: Cylinder Head Small Block Chevy
Brand: JEGS
SKU: 555-514002
Price: 1398.59 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

180cc Intake Runner

SB Chevy
Aluminum
180cc Intake Ports
64cc Combustion Chambers
SS 2.020"Int./1.600"Exh. Valves
Valve Springs for Flat Tappet Hydraulic Cam, .525" Max Lift
3/8" Rocker Studs
Straight Plug

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
1.250" Single 0.525" 1.160" 100# @ 1.775" 320# @ 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 Graph Intake Exhaust
Port Volume 180cc 85cc
Valve Diameter 2.020"
(Stainless Steel) 1.600"
(Stainless Steel)
Valve Length 4.910" 4.910"
Valve Stem Diameter 11/32" 11/32"
Valve Stem Seal Diameter 0.530" (PTFE) 0.530" (PTFE)
Port Dimension 2.200"H x 1.300"W 1.530"H x 1.545"W (D-Shape)
Flow Rate 263 CFM @ 0.600" Lift (28" H₂0) 213 CFM @ 0.600" Lift (28" H₂0)
Gasket JEGS 555-210000
or equivalent JEGS 555-210052
or equivalent
Torque Specification
Rocker Studs 45 ft/lbs.
Manifold Bolts 35 ft/lbs.
Head Bolts or Studs Per Manufacturers Specifications

Part TypeCylinder Head
BrandJEGS
Package Height7.9
Package Width9.3
Package Length20.9
Weight28.52 PG
Part CategoryPerformance Parts
Spark Plug StyleStraight
Guideplate Pushrod Size0.313 in (7.95 mm)
Rocker Arm Nut Thread Size (In.)3/8"-24
MaterialAluminum
Intake Valve Diameter2.02 in (51.308 mm)
Exhaust Runner Volume (Cc)85
Engine Make/SizeChevy Small Block (262-400)
Guideplates IncludedYes
Outside Diameter Of Outer Spring1.25 in (31.8 mm)
Combustion Chamber Volume (Cc)64
Rocker Arm Studs IncludedYes
Cylinder Head StyleAssembled
Maximum Valve Lift0.51 in (12.954 mm)
Intake Runner Volume (Cc)180
Number Of Springs Per ValveSingle
Exhaust Valve Diameter1.6 in (40.64 mm)
Vendor Part Number514002
Package Qty1
Package TypeEA

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