The YTP-YT-5123 valve cover spacer incorporates special scalloped sections which provide the required clearance and allows the fitment of the original factory covers for an OEM look.Excludes: Alaska/Hawaii, APO/FPO, US Protectorates, Angola, Burundi, Benin, Burkina Faso, Botswana, Central African Republic, Côte d'Ivoire (Ivory Coast), Cameroon, Congo, Democratic Republic of the, Congo, Republic of the, Comoros, Cape Verde Islands, Djibouti, Algeria, Egypt, Eritrea, Western Sahara, Ethiopia, Gabon Republic, Ghana, Guinea, Gambia, Guinea-Bissau, Equatorial Guinea, Kenya, Liberia, Libya, Lesotho, Morocco, Madagascar, Mali, Mozambique, Mauritania, Mauritius, Malawi, Mayotte, Namibia, Niger, Nigeria, Reunion, Rwanda, Senegal, Saint Helena, Sierra Leone, Somalia, Swaziland, Seychelles, Chad, Togo, Tunisia, Tanzania, Uganda, South Africa, Zambia, Zimbabwe, Afghanistan, Armenia, Azerbaijan Republic, Bangladesh, Bhutan, China, Georgia, India, Japan, Kazakhstan, Kyrgyzstan, Korea, South, Sri Lanka, Maldives, Mongolia, Nepal, Pakistan, Tajikistan, Turkmenistan, Uzbekistan, Aruba, Anguilla, Netherlands Antilles, Antigua and Barbuda, Bahamas, Belize, Barbados, Costa Rica, Cayman Islands, Dominica, Dominican Republic, Guadeloupe, Grenada, Guatemala, Honduras, Haiti, Jamaica, Saint Kitts-Nevis, Saint Lucia, Montserrat, Martinique, Nicaragua, Panama, Puerto Rico, El Salvador, Turks and Caicos Islands, Trinidad and Tobago, Saint Vincent and the Grenadines, British Virgin Islands, Virgin Islands (U.S. Yella Terra Shaft Roller Rockers, 1.7:1, Adjustable (GM LS1, LS6 & LS2) Toggle right Slidebar. When fitting YT Adjustable Rockers to LS1, LS2, LS3, LS7 & LSX based engines, the heel of the rocker may require clearance at the inner edge of the cylinder head valve cover rail. Other Yella Terra rocker components such as the trunnions, posi locks and bearings greatly enhance valve train durability in performance applications.The use of needle roller bearings at the rocker fulcurm combined with roller tip at the valve greatly reduces horsepower robbing friction in the valve train to provide a measurable power increase over standard rocker systems. LS1 Ultralite 1.7 Non-Adjustable Rockers Bolt on non-adjustable 1.7 ratio alum rocker arms for cathedral port LS heads including car engines LS1/2/6 and truck engines 4.8/5.3/6.0. Pressed steel rocker arms, in high performance applications, are prone to failure, A high rate of fulcrum wear, flexing, cracking, splitting and breakage are common problems that will result in power loss or possible piston failure due to detonation of the incoming air/fuel charge.
1.7 YELLA TERRA ROCKERS MODS
We recommend the use of LS6 Medium Load Valvesprings with 1.90:1 rockers. Yella Terra 1.7 or 1.8 Rocker Arms 369.95 + 12.95 Shipping There's a special on these With my mods that are listed in my sig, which one's do you guys. No piston or cylinder head changes are required to use the 1.90:1 rockers.
1.7 YELLA TERRA ROCKERS FULL
The rocker arms used on Yella Terra and Street Terra roller rockers are infinitely stronger than standard pressed steel arms providing the best in resistance to bending and breakage under high spring pressures at high RPM's. Yella Terra Full Roller Rocker Arms will fit any 1995-present 3800 Series II engine, or 2004-present Series III engine.
1.7 YELLA TERRA ROCKERS UPGRADE
Yella Terra Ultra lite shaft Rocker arms bolt on roller rocker set, to suit LS3,L98 These rocker arms come as a complete set with 8.0mm bolts. the YT5007 is a Yella Terra rocker, not a street terror, its designed to be stronger, race type use, and is a 3/8 stud mounted rocker, which would slot straight onto a 186 head, but would need 202 head to have machining and fitting of 3/8 screw in studs and guide plates. Should I do the Comp Truion upgrade or go ahead and do the Yella Terra 1.7 rockers or some other option Thanks 09 GT, Maggie 2300 3.2 pulley (12lbs with ported blower), Kooks 1 7/8 long tubes, no cats, Magnaflow cat back, Livernois 1c cam with dod delete, 3,000 stall, Alky Meth Injection, BAP. Yella Terra Ultralight LS1/LS2 Rocker Set, Non-Adjustable, 1.7 Ratio 209-YT6645 Competition Use Only, Not Legal for Road Use Ships Direct from Manufacturer 770.00 Quantity: Buy in monthly payments with Affirm on orders over 50.
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