Air Flow Research 1001 SBC 195 Enforcer Head, Straight, Assembled

$593.58 Buy It Now or Best Offer
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Seller Store speedway_motors
(294115) 99.5%,

Location: Lincoln, Nebraska
Ships to: US,
Item: 135255083089

Return shipping will be paid by:Seller
Returns Accepted:Returns Accepted
Item must be returned within:30 Days
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Air Flow Research:Air Flow Research
Type:Cylinder Heads
Material:Aluminum
Manufacturer Part Number:1001
Finish:Natural
California Prop 65 Warning:True

We strongly recommend using 7/16″ rocker studs with todays fast cam rates and RPM capabilities 3/8″ Rocker Studs can occasionally break. This kit comes with 3/8 Rocker Studs., Heads with 1.625″ O.D springs will require some springs to be removed for access to some head bolts when installing the heads., Heads are designed for 5/16″ pushrods, Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. AFR recommends the use of .120″ thick-wall pushrods., AFR 227/235cc Heads: Due to the “60/40″ stud and valve locations, shaft mount rockers are highly recommended, however if you’re ONLY Drag Racing you can run a .050″ offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). Please note that with the .05 Air Flow Research 1001 SBC 195 Enforcer Head, Straight, Assembled Sku # 1631001 Mfr. Part # 1001 Condition New Brand Air Flow Research Sold Each Details Info AFR’s 195cc SBC Enforcer Cylinder head feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 350 to 400 Cubic Inch operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups our one piece 8mm 21 4N Stainless Steel valves. They are available in straight or angle plug and bare without any parts for the DIY. Sold as a single piece, 2 are required per engine. AFR Small Block Chevy We strongly recommend using 7/16″ rocker studs with todays fast cam rates and RPM capabilities as 3/8″ Rocker Studs can occasionally break. Heads with 1.625″ O.D springs will require some springs to be removed for access to some head bolts when installing the heads. Heads are designed for 5/16″ pushrods, Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. AFR recommends the use of .120” thick-wall pushrods. AFR 227/235cc Heads: Due to the “60/40″ stud and valve locations, shaft mount rockers are highly recommended, however if you’re ONLY Drag Racing you can run a .050″ offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). Please note that with the .050″ offset rocker arms the roller tip of the stud mount rocker will not be perfectly centered and will not sit squarely on the valve causing increased side loading and wear. This option is not recommended for race/endurance applications and/or street engines that see a lot of miles. AFR LT-1 / LT-4 / Vortec Heads/ Late Model TBI/TPI Heads – Your factory accessory bolts and center bolt valve covers need to be shortened 3/16″ or they will bottom out. These cylinder heads are machined for both center and perimeter bolt valve covers, please see your instructions to avoids oil leaks. General Recommendations for AFR Cylinder Heads: Bar Codes – Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. High Volume/Pressure Oil Pumps – If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption. Your block manufacturer or engine builder can recommend oil restrictions to the top end/valve train components. Pushrods – Different length pushrods might be required, always check pushrod length. Check pushrod clearance with heads placed on the block before final assembly. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. AFR recommends the use of .120″ thick-wall pushrods. Mills – Flat or angle mills could affect flow numbers and might require a thicker intake gasket. Stud Girdles – Due to many available factory OEM and aftermarket style/variations your existing stud girdle may not fit (AFR heads require AFR Stud Girdles) Boosted/Nitrous Applications – We strongly recommend considering Inconel exhaust valves and AFR’s optional heavy duty intake valve for power adder applications. Since boosted or nitrous oxide applications accelerate RPM quickly, additional spring pressure is required. We strongly recommend upgrading your valve springs or increasing your valve spring pressures since boost pressure on the valve reduces spring tension. For example, 15lbs boost on a 2.125 OD valve reduces the springs closed seat pressure by approximately 40-45lbs. All MARINE Applications – We strongly recommend Inconel exhaust valves & also offer a hard anodized coating to slow the effects of corrosion. Please see note on guide clearance below. Valve Guide Clearance – Your AFR Heads come with proper guide clearance (.0012″-.0016″) for most applications. Boosted/Nitrous or marine applications might require additional clearance and it is the customer’s responsibility to verify proper clearance in these applications. Valve Springs – Forced induction, nitrous oxide and cams with aggressive ramp rates may require additional spring pressure. We offer optional valve springs for these types of applications. AFR also recommends the use of billet cam cores and short travel Hydraulic Roller lifters which tolerate higher spring loads. Please don’t hesitate to contact us directly if you question which spring is correct for your application. AFR Titanium Valves – Might require lash caps and different length pushrods. Titanium valves are coated, do not grind valves because it removes the protective coating. Piston to Valve – AFR assumes no responsibility for damage if the end user builds an engine without properly verifying he has enough piston to valve clearance (depth and radial clearance both checked). We recommend a minimum depth of .080″ on the intake valve and .100″ on the exhaust with a radial clearance of .020” minimum around the perimeter of each valve. Clay is recommended to visually verify both depth as well as radial clearance. Just checking depth is not enough, the position of the valve pocket must also be addressed. It is the customers responsibility to verify proper piston to valve clearance. CNC Porting – Occasionally a 100% CNC ported head might have a very small area left “as cast”, this in no way affects performance. Shaft Mount Rockers – Shaft mount rockers might require additional clearance for proper pushrod fitment. Do not clearance the push rod area as the wall is .060″ thick. If you use Jesel Shaft Mounts, AFR only recommends their Pro Series. Comp Cams Pro Magnum Rockers – Typically these rocker arms do not clear a 1.500″ O.D retainer. A lash cap is required to space up the rocker arm. Spring Installation – To ease installation with 1.550″ O.D or larger springs, 12 pt head bolt or studs are recommended for extra clearance. Beveled or ground washers might be needed (ARP #200-8504 comes with smaller O.D and doesn’t need to be ground) Valve Spring Installed Heights – AFR valve spring installed height spec is +/- .015 which is the smallest shim available for adjustment. Rocker Arms – Use full roller rocker arms, roller tip rockers with stock style bodies are NOT recommended. THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. Charts (PDF) Specs Material Type Aluminum Sold in Quantity Each Finish Natural Cylinder Head Style Assembled Spark Plug Style Straight Combustion Chamber Volume 64cc Intake Port Location Standard Intake Port Shape Rectangle Exhaust Port Shape Square Exhaust Port Location Standard Number of Springs Per Valve Dual Retainer Material Chromoly Steel Lock Style 7 Degree Valve Stem Seal Material Viton Valve Stem Seal Type Positive Stop Valve Cover Mounting Style Perimeter Bolt Valve Seat Machine Style 3-angle Valve Seat Material Ductile Iron Oiling Style Through Pushrod Combustion Chamber Style Heart MFG. Part # 1001 CNC-Machined Combustion Chamber No Intake Valves Included Yes Valve Spring Included Yes Damper Spring Included Yes Retainers Included Yes Locks Included Yes Rocker Arm Studs Included Yes Rocker Arm Nuts Included No Guideplates Included Yes Accessory Bolt Holes Drilled Yes Valve Seats Machined Yes Steam Holes Drilled No Machined for O-Ring No Heat Crossover No Valve Guides Included Yes Valve Stem Seals Included Yes Intake Valve Diameter 2.02 Exhaust Valve Diameter 1.6 Guideplate Pushrod Size 0.312 Exhaust Valves Included Yes Rocker Arms Included No Intake Runner Volume Range 190cc – 199cc Exhaust Runner Volume Range 70cc – 79cc Combustion Chamber Volume Range 60cc – 69cc Exhaust Runner Volume 76cc Intake Runner Volume 195cc CNC-Machined Runners No Spring Diameter 1.29 Maximum Lift 0.600 Exhaust Valve Angle 23 Intake Valve Angle 23 Reviews I love these budget heads Rated by Yayo on February 18, 2022 Summary: Great Purchase Related Items / Suggested Parts Fel-Pro P1003 S/B Chevy 265-400 Steel Ring Head Gasket 4.166 Inch Bore ARP 134-3701 Chevy Small Block Head Bolt Kit, 12pt Autolite A3924 Spark Plugs, Each Tech Support We’re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.

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