Made in USA
302/351W Aluminum Cylinder Head 2.10" Int/1.60" Exh Valves
Product Discontinued
JEGSPART NUMBER: 555-51500

302/351W Aluminum Cylinder Head 2.10" Int/1.60" Exh Valves

Currently Unavailable

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

Jeg's/Kaase Aluminum Heads
302/351W Aluminum Cylinder Head
  • 2.10'' Int/1.60'' Exh Valves
  • 1.460'' Springs
  • .610'' Max Lift, Hydraulic Roller Cams
  • Complete Assembly, Sold as Each
  • 1 available at this price, please call before ordering

    JEGS/Jon Kaase Cylinder Head Specifications
    Part # 51500, SB-Ford

    Materials

  • Casting: A356-A Virgin Grade, Heat Treated to T-6
  • Valve Guides: AMCO 45
  • Valve Seats: Alloy, For use with Unleaded Gasoline
  • Combustion Chamber: 60cc

    Intake

  • Port Volume: 247cc
  • Valve Diameter: 2.100' Stainless Steel # 555-20572
  • Valve Length: 5.350'
  • Valve Stem Diameter: 11/32'
  • Valve Stem Seal Diameter: .531' PTFE
  • Port Dimension: 2.125' x 1.300'
  • Flow Rate: 331 cfm @ .800' lift 28' of water Gasket Fel-Pro # 375-1262 or Mr.Gasket # 720-5832

    Exhaust

  • Valve Diameter: 1.600' Stainless Steel, # 555-20576
  • Valve Length: 5.350'
  • Valve Stem Diameter: 11/32'
  • Valve Stem Seal Diameter: .531' PTFE
  • Port Dimension: 1.375' x 1.375'
  • Flow Rate: 210 cfm @ .800' lift 28' of water, Gasket Fel-Pro # 375-1486 or Mr. Gasket # 720-5929

    Valve Train

  • Guide Plates: Custom Jeg?s # 555-20522 (3/8' pushrods)
  • Pushrods: 3/8' Heat Treated, Must Check Length
    • 302 Hydraulic Roller 7.100', # 555-20200
    • 302 Solid Roller 7.750', # 555-20202
    • 351 Hydraulic Roller 8.400',# 555-20204
    • 351 Solid Roller 9.050', # 555-20206
  • Retainers: Chrome Moly Steel 7 degree, Hydraulic Roller, # 270-99969-16
  • Spring Locator: .640' Inside Diameter locater, .060' thick, # 249-4785-16
  • Springs: 1.460' .610' Maximum Lift, Hydraulic Roller # 270-99893-16
  • Rocker Arm Studs, 7/16'-14 x 7/16'-20, ARP 070-200-7201
  • Valve Locks: 7 degree, Hydraulic Roller with # 270-99094-1 retainer.

    Accessories

  • Accessory Bolt Locations: Stock Placement
  • Head Bolts 302: Stock Dimensions, 070-154-3605
  • Head Bolts 351-W: Stock Dimensions, 070-154-3603
  • Head Fastener Washers: Quality Hardened Washers
  • Head Gasket: Fel-Pro # 375-1011-2 or Mr. Gasket # 720-5751
  • Spark Plug: 14mm 3/4' reach 5/8' Hex with Washer Seat
  • Stud Girdle: Stud Location Custom, Not Available
  • Rocker Arms (7/16'): Small Block Ford, JEG'S #555-20133, Harland Sharp #851-4003-7, Crane #270-86757-16. Comp Cams rockers are too wide for this canted valve head.
  • Spark Plug: 14mm 3/4' reach 5/8' Hex with Washer Seat
  • Valve Cover: Custom Jeg?s # 555-50115
  • Valve Cover Gasket: Mr. Gasket # 720-596G
  • Pistons: Custom pistons available through JE Pistons. Please contact Steve Davis @ 714-373-5530 ex. 308 or [email protected] for more info

    Torque Specifications

  • Head Fasteners: See Manufacturers Specifications, 302-70 ft lbs, 351-100 ft lbs
  • Manifold Bolts: 25 ft/lbs.
  • Rocker Studs: 60 ft/lbs.
  • BrandJEGS
    Package Height7.4
    Package Width7.8
    Package Length20.7
    Weight33.8 PG
    Part CategoryPerformance Parts
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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