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Earl's Racing Products Head Bolt Set - 12-Point Head -Big Block Chevy-TBS-004ERL

Earl's Racing Products Head Bolt Set - 12-Point Head -Big Block Chevy-TBS-004ERL

SKU: TBS-004ERL
Regular price $116.95 USD
Regular price Sale price $116.95 USD
Sale Sold out

Overview:

Earl's Racing Products head bolts are made from premium quality 170,000 psi chromemoly alloy steel (about 15% stronger than Grade 8). These bolts have a reduced wrench size (choose from 12-point or hex head) for extra socket clearance (provides extra clearance to rocker arms when re-torqueing heads). The wide flanged head provided more support for the extra thick chromemoly washers. These head bolts are reusable and are the ideal way to upgrade the performance of your engine, and eliminate the hassle and cost of replacing OEM style torque-to-yield style bolts each time the cylinder heads are removed. Black oxide finish & sold in complete engine sets. Made in the USA.

Features:

  • Material - Chromemoly Alloy Steel
  • Yield Strength - 170,000 PSI
  • Finish - Black Oxide
  • Reduced Wrenching Size – Provides Extra Socket Clearance
  • Choose Form 12-Point or Hex Head Styles
  • Includes Premium Head Bolts, Washers & Anti-Seize Lubricant
  • Sold In Complete Engine Sets
  • Reusable Head Bolts & Washers (Not Torque-To-Yield)
  • Made in the USA

Year Make Model Submodel Engine Size
1987 - 1991 GMC V3500 454/7.4 V8
1963 - 1969 Chevrolet Bel Air 427/7 V8
1965 - 1969 Chevrolet Bel Air 396/6.5 V8
1970 - 1975 Chevrolet Bel Air 454/7.4 V8
1970 - 1972 Chevrolet Bel Air 402/6.6 V8
1963 - 1969 Chevrolet Biscayne 427/7 V8
1965 - 1969 Chevrolet Biscayne 396/6.5 V8
1979 - 1995 GMC C3500 454/7.4 V8
1975 - 1976 GMC G25 Rally 454/7.4 V8
1975 - 1976 GMC G25 Rally STX 454/7.4 V8
1976 GMC G35 Magnavan 454/7.4 V8
1988 - 1996 GMC G3500 Magnavan 454/7.4 V8
1989 - 1995 GMC G3500 454/7.4 V8
1996 GMC G3500 Rally 454/7.4 V8
1996 GMC G3500 Rally STX 454/7.4 V8
1996 GMC G3500 Vandura 454/7.4 V8
1973 - 1976 GMC Jimmy 454/7.4 V8
1976 GMC K15 454/7.4 V8
1980 GMC K1500 454/7.4 V8
1976 - 1978 GMC K25 454/7.4 V8
1976 - 1977 GMC K25 Suburban 454/7.4 V8
1991 - 1995 GMC K2500 454/7.4 V8
1992 - 1995 GMC K2500 Suburban 454/7.4 V8
1979 - 1995 GMC K3500 454/7.4 V8
1987 - 1989 GMC R2500 454/7.4 V8
1987 - 1991 GMC R2500 Suburban 454/7.4 V8
1987 - 1991 GMC R3500 454/7.4 V8
1966 - 1970 Chevrolet El Camino 396/6.5 V8
1970 - 1974 Chevrolet El Camino 454/7.4 V8
1970 - 1972 Chevrolet El Camino 402/6.6 V8
1973 - 1974 Chevrolet G10 Van Base 454/7.4 V8
1973 - 1974 Chevrolet G20 Van 454/7.4 V8
1973 - 1974 Chevrolet G30 Van Base 454/7.4 V8
1963 - 1969 Chevrolet Impala 427/7 V8
1965 - 1969 Chevrolet Impala 396/6.5 V8
1970 - 1976 Chevrolet Impala 454/7.4 V8
1970 - 1972 Chevrolet Impala 402/6.6 V8
1968 - 1969 Chevrolet K10 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K10 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K10 Pickup 454/7.4 V8
1968 - 1969 Chevrolet K10 Suburban 396/6.5 V8
1970 - 1972 Chevrolet K10 Suburban 402/6.6 V8
1973 - 1974 Chevrolet K10 Suburban 454/7.4 V8
1968 - 1969 Chevrolet K20 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K20 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K20 Pickup 454/7.4 V8
1968 - 1969 Chevrolet K20 Suburban 396/6.5 V8
1970 - 1972 Chevrolet K20 Suburban 402/6.6 V8
1973 - 1985 Chevrolet K20 Suburban 454/7.4 V8
1968 - 1969 Chevrolet K30 Pickup 396/6.5 V8
1970 - 1972 Chevrolet K30 Pickup 402/6.6 V8
1973 - 1974 Chevrolet K30 Pickup 454/7.4 V8
1976 - 1978 Chevrolet K5 Blazer 454/7.4 V8
1975 - 1980 Chevrolet C10 454/7.4 V8
1973 - 1980 Chevrolet C10 Suburban 454/7.4 V8
1990 - 1993 Chevrolet C1500 454/7.4 V8
1991 - 1992 Chevrolet C1500 Cheyenne 454/7.4 V8
1991 - 1992 Chevrolet C1500 Silverado 454/7.4 V8
1991 - 1992 Chevrolet C1500 454 SS 454/7.4 V8
1991 - 1992 Chevrolet C1500 WT 454/7.4 V8
1975 - 1986 Chevrolet C20 454/7.4 V8
1969 Chevrolet Kingswood 396/6.5 V8
1969 Chevrolet Kingswood 427/7 V8
1970 - 1972 Chevrolet Kingswood 454/7.4 V8
1970 - 1972 Chevrolet Kingswood 402/6.6 V8
1973 - 1975 Chevrolet Laguna 454/7.4 V8
1965 - 1967 Chevrolet Malibu 396/6.5 V8
1973 - 1974 Chevrolet Malibu 454/7.4 V8
1970 - 1975 Chevrolet Monte Carlo 454/7.4 V8
1970 - 1972 Chevrolet Monte Carlo 402/6.6 V8
1969 - 1970 Chevrolet Nova 396/6.5 V8
1970 - 1972 Chevrolet Nova 402/6.6 V8
1970 - 1971 Chevrolet Nova 454/7.4 V8
1969 Chevrolet Townsman 396/6.5 V8
1969 Chevrolet Townsman 427/7 V8
1970 - 1972 Chevrolet Townsman 454/7.4 V8
1970 - 1972 Chevrolet Townsman 402/6.6 V8
1968 - 1969 GMC C15/C1500 Pickup 396/6.5 V8
1970 - 1972 GMC C15/C1500 Pickup 402/6.6 V8
1973 - 1974 GMC C15/C1500 Pickup 454/7.4 V8
1968 - 1969 GMC C15/C1500 Suburban 396/6.5 V8
1970 - 1972 GMC C15/C1500 Suburban 402/6.6 V8
1973 - 1974 GMC C15/C1500 Suburban 454/7.4 V8
1968 - 1969 GMC C25/C2500 Pickup 396/6.5 V8
1970 - 1976 Chevrolet Caprice 454/7.4 V8
1970 - 1972 Chevrolet Caprice 402/6.6 V8
1965 - 1967 Chevrolet Chevelle Base 396/6.5 V8
1965 - 1968 Chevrolet Chevelle SS 396/6.5 V8
1967 Chevrolet Chevelle Deluxe 396/6.5 V8
1967 - 1968 Chevrolet Chevelle Concours 396/6.5 V8
1968 Chevrolet Chevelle 300 396/6.5 V8
1968 Chevrolet Chevelle 300 Deluxe 396/6.5 V8
1968 Chevrolet Chevelle Malibu 396/6.5 V8
1968 Chevrolet Chevelle Nomad 396/6.5 V8
1969 - 1970 Chevrolet Chevelle 396/6.5 V8
1970 - 1973 Chevrolet Chevelle 454/7.4 V8
1970 - 1972 Chevrolet Chevelle 402/6.6 V8
1968 Chevrolet Chevy II 396/6.5 V8
1965 Chevrolet Corvette 396/6.5 V8
1966 - 1969 Chevrolet Corvette 427/7 V8
1970 - 1974 Chevrolet Corvette 454/7.4 V8
1971 - 1975 GMC Sprint 454/7.4 V8
1971 - 1975 GMC Sprint 402/6.6 V8
1979 - 1980 GMC C1500 454/7.4 V8
1975 - 1978 GMC C15 Suburban 454/7.4 V8
1979 - 1980 GMC C1500 Suburban 454/7.4 V8
1975 - 1978 GMC C25 454/7.4 V8
1979 - 1995 GMC C2500 454/7.4 V8
1975 - 1978 GMC C25 Suburban 454/7.4 V8
1979 - 1995 GMC C2500 Suburban 454/7.4 V8
1975 - 1978 GMC C35 454/7.4 V8
1970 - 1972 GMC C25/C2500 Pickup 402/6.6 V8
1973 - 1974 GMC C25/C2500 Pickup 454/7.4 V8
1968 - 1969 GMC C25/C2500 Suburban 396/6.5 V8
1970 - 1972 GMC C25/C2500 Suburban 402/6.6 V8
1973 - 1974 GMC C25/C2500 Suburban 454/7.4 V8
1968 - 1969 GMC C35/C3500 Pickup 396/6.5 V8
1970 - 1972 GMC C35/C3500 Pickup 402/6.6 V8
1973 - 1974 GMC C35/C3500 Pickup 454/7.4 V8
1970 - 1972 Chevrolet Biscayne 454/7.4 V8
1970 - 1972 Chevrolet Biscayne 402/6.6 V8
1973 - 1974 Chevrolet Blazer 454/7.4 V8
1969 Chevrolet Brookwood 396/6.5 V8
1969 Chevrolet Brookwood 427/7 V8
1970 - 1972 Chevrolet Brookwood 402/6.6 V8
1970 - 1972 Chevrolet Brookwood 454/7.4 V8
1968 - 1969 Chevrolet C10 Pickup 396/6.5 V8
1970 - 1972 Chevrolet C10 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C10 Pickup 454/7.4 V8
1968 - 1969 Chevrolet C10 Suburban 396/6.5 V8
1970 - 1972 Chevrolet C10 Suburban 402/6.6 V8
1968 - 1969 Chevrolet C20 Pickup 396/6.5 V8
1970 - 1972 Chevrolet C20 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C20 Pickup 454/7.4 V8
1968 - 1969 Chevrolet C20 Suburban 396/6.5 V8
1970 - 1972 Chevrolet C20 Suburban 402/6.6 V8
1973 - 1986 Chevrolet C20 Suburban 454/7.4 V8
1968 - 1969 Chevrolet C30 Pickup 396/6.5 V8
1968 - 1969 Pontiac Acadian 396/6.5 V8
1970 - 1971 Pontiac Acadian 454/7.4 V8
1965 - 1969 Pontiac Beaumont 396/6.5 V8
1965 - 1969 Pontiac Strato-Chief 396/6.5 V8
1966 - 1969 Pontiac Laurentian 396/6.5 V8
1966 - 1969 Pontiac Parisienne 396/6.5 V8
1969 Chevrolet Estate 396/6.5 V8
1969 Chevrolet Estate 427/7 V8
1970 Chevrolet Estate 402/6.6 V8
1970 Chevrolet Estate 454/7.4 V8
1970 Pontiac Laurentian 454/7.4 V8
1970 Pontiac Parisienne 454/7.4 V8
1970 Pontiac Strato-Chief 454/7.4 V8
1970 - 1972 Chevrolet C30 Pickup 402/6.6 V8
1973 - 1974 Chevrolet C30 Pickup 454/7.4 V8
1967 Chevrolet Camaro Base 396/6.5 V8
1967 Chevrolet Camaro RS 396/6.5 V8
1967 - 1969 Chevrolet Camaro SS 396/6.5 V8
1969 Chevrolet Camaro Base 427/7 V8
1969 Chevrolet Camaro RS 427/7 V8
1970 - 1972 Chevrolet Camaro SS 402/6.6 V8
1971 - 1972 Chevrolet Camaro Base 402/6.6 V8
1972 Chevrolet Camaro Z28 402/6.6 V8
1966 - 1969 Chevrolet Caprice 396/6.5 V8
1966 - 1969 Chevrolet Caprice 427/7 V8
1988 - 1995 Chevrolet C3500 454/7.4 V8
1975 Chevrolet El Camino Base 454/7.4 V8
1976 Chevrolet G20 Beauville 454/7.4 V8
1976 Chevrolet G20 Chevy Van 454/7.4 V8
1975 - 1976 Chevrolet G30 Beauville 454/7.4 V8
1975 - 1976 Chevrolet G30 Chevy Van 454/7.4 V8
1975 - 1976 Chevrolet G30 Hi-Cube 454/7.4 V8
1988 - 1996 Chevrolet G30 454/7.4 V8
1976 - 1980 Chevrolet K10 454/7.4 V8
1976 - 1978 Chevrolet K20 454/7.4 V8
1991 - 1995 Chevrolet K2500 454/7.4 V8
1992 - 1995 Chevrolet K2500 Suburban 454/7.4 V8
1977 - 1986 Chevrolet K30 454/7.4 V8
1988 - 1995 Chevrolet K3500 454/7.4 V8
1975 Chevrolet Malibu Classic 454/7.4 V8
1987 - 1988 Chevrolet R20 454/7.4 V8
1987 - 1988 Chevrolet R20 Suburban 454/7.4 V8
1989 Chevrolet R2500 454/7.4 V8
1989 - 1991 Chevrolet R2500 Suburban 454/7.4 V8
1987 - 1988 Chevrolet R30 454/7.4 V8
1989 - 1991 Chevrolet R3500 454/7.4 V8
1987 - 1988 Chevrolet V20 Suburban 454/7.4 V8
1990 Chevrolet V2500 Suburban 454/7.4 V8
1987 - 1988 Chevrolet V30 454/7.4 V8
1989 - 1991 Chevrolet V3500 454/7.4 V8
1975 - 1978 GMC C15 454/7.4 V8
1973 - 1974 GMC G35/G3500 Van 454/7.4 V8
1968 - 1969 GMC K15/K1500 Pickup 396/6.5 V8
1970 - 1972 GMC K15/K1500 Pickup 402/6.6 V8
1973 - 1974 GMC K15/K1500 Pickup 454/7.4 V8
1968 - 1969 GMC K15/K1500 Suburban 396/6.5 V8
1970 - 1972 GMC K15/K1500 Suburban 402/6.6 V8
1973 - 1974 GMC K15/K1500 Suburban 454/7.4 V8
1968 - 1969 GMC K25/K2500 Pickup 396/6.5 V8
1970 - 1972 GMC K25/K2500 Pickup 402/6.6 V8
1973 - 1974 GMC K25/K2500 Pickup 454/7.4 V8
1968 - 1969 GMC K25/K2500 Suburban 396/6.5 V8
1970 - 1972 GMC K25/K2500 Suburban 402/6.6 V8
1973 - 1974 GMC K25/K2500 Suburban 454/7.4 V8
1968 - 1969 GMC K35/K3500 Pickup 396/6.5 V8
1970 - 1972 GMC K35/K3500 Pickup 402/6.6 V8
1973 - 1974 GMC K35/K3500 Pickup 454/7.4 V8
1991 - 1995 Chevrolet C2500 454/7.4 V8
1992 - 1995 Chevrolet C2500 Suburban 454/7.4 V8
1975 - 1986 Chevrolet C30 454/7.4 V8

Brand Earls
Emission Code 5
Engine Chevrolet Big Block Mark IV
Finish Black Oxide
Head Style 12-Point
Material Chromoly
Product Type Cylinder Head Bolts
PSI Rating 170000
Reusable Yes
Thread Size 7/16"-14
Washer Included Yes
Wrench Size 1/2"
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Policies and FAQs

Return Policy

We offer 30 days return of 100% purchase price for defective items. Return shipping and handling charges are the customers responsibility unless it is our mistake. (If shipping was included it will be deducted from the return)  If the part is wrong or defective please advise us if you would like an exchange, replacement or refund. We suggest our buyers keep tracking number delivery confirmation, and pack item securely to protect the return. If the part is lost we are unable to offer a refund. The part(s) must be returned in its original condition. Returns over 30 days may be accepted at a discounted price & offered store credit. Our return address is 774 Broad St Wadsworth, Oh 44281.

FAQs

This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.

Our kits include all of the solid metal lines for that section of the vehicle.

We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.

  • Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
  • If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.

Yes but you will need to order in advance. All of our items are not stocked at our location. So please place your order online and we will notify you when it is ready for pick up.

Unfortunately we cannot offer single lines outside of kits

Yes, all are covered by the manufacturer's standard warranty. Most warranties cover the cost of parts. Any installation or other fees are non-refundable.

Online we accept PayPal and all major Credit Cards. If your are picking an item up we gladly accept cash.

We can only ship to your confirmed address in PayPal or your billing address if you pay with a credit card.

Orders typically Arrive within 3 to 10 days depending if it is a stocked item or something we have manufactured at time of sale.

Yes please send us a message through our custom orders page.

Yes, but items sent out of the continental U.S. may incur additional charges based on their destination

The left and right sides on a vehicle are determined as though you were sitting in the driver's seat. The left is the driver's side, and the right is the passenger's side.

Check it again tomorrow. It takes up to 1 day for the carrier to give status and a delivery date. UPS and FedEx provide delivery dates, USPS usually does not but they take no longer than 5 business days.

Yes! Thank you for your military service!

Still have a question or concern?  Please contact use our contact us form!

Yes! Thank you for your military service!

Warranty Information

Customer service is our top priority and because we value your time and energy we ask you to visit our Contact Us page and reach out so that we may assist you in finding the correct warranty for your product. Please include your name, the name on the order, the order number, and the SKU of the product to ensure the quickest and most accurate response to your inquiry.

Product Notices

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