Instant Rebates
Call Our Support Line
24 Hours / 7 Days a Week!  
Same Day Shipping Before 11 PM ET
My Cart
Shop By Vehicle
Shop By
Close Menu
Shop By Vehicle
Top Categories
All Categories

All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates

ProMaxx Performance 2117

225cc Aluminum Cylinder Heads Small Block Chevy

ProMaxx Performance 2117


jegs shipping
FREE Shipping
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
ProMaxx Performance 2117 225cc Aluminum Cylinder Heads Small Block Chevy $895.00
225cc Aluminum Cylinder Heads
  • Small Block Chevy
  • 2.02''/1.60'' Valves
  • 225cc Intake Runner
  • 64cc Combustion Chamber
  • Straight Plug
  • Assembled
  • Sold as pairs

  • ProMaxx Performance 2117 Details

    225cc Aluminum Small Block Chevy Cylinder Heads

    Technical Specifications and Recommended Components:
    Combustion Chamber - 64cc
    Weight - 55.00 lbs
    Intake Runner - 225cc
    Exhaust Runner - 62cc
    Intake Valve Size - 2.02"
    Exhaust Valve Size - 1.60"
    Max. Valve Spring Lift - .575" Hydraulic Flat Tappet
    Spring Pressure - Closed 115 lbs. @ 1.800", Open 315 lbs. @ 1.225"
    Valve Seal Material - Viton
    Valve Guide - Manganese Bronze
    Retainer Material - Steel
    Valve Job - 5-angle
    Head Bolts - ARP 070-134-3601
    Valve Spacing - OEM
    Valve Seats - Hardened Steel
    Intake Gasket - Fel-Pro 375-1206 or 375-1266
    Exhaust Gasket - Fel-Pro 375-1405
    Head Gasket - Fel-Pro 375-1004 or 375-1094
    Spark Plug - 750" Reach Gasket Seat


    Manufacturer's Part Number:

    The ProMaxx Performance Small Block Chevy Cylinder Heads are manufactured from cast aluminum and are offered with straight or angled spark plug ports, a variety of intake port runner, combustion chamber and valve sizes to work on all of your performance engine builds from mild to wild!

  • All New Parts and Castings
  • Accepts Perimeter Bolt Valve Covers
  • Stainless Steel Valves
  • 3/8" Screw-In Studs and Guideplates
  • Sold In Pairs

    JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.

  • What are the flow chart numbers?

    Asked by: RickG
    Here are some approximate numbers 280 - intake flow 200 - exhaust flow
    Answered by: Rusty B
    Date published: 2017-09-15
    • y_2017, m_10, d_15, h_22CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_1150778, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Items You Need

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List