Pair of AFR 1803 LS3 238cc Aluminum Cylinder Heads Chevy 72cc, Assembled

Description: TRE AFR Direct Master Warehouse Distributor - All AFR Products Available. Visit our eBay Store for all other auctions or contact us and we can create a special listing for you! AFR 238cc LS3 Enforcer As-Cast Cylinder Heads Details Shipping Payment Policies Contact This auction is for a NEW PAIR of AFR Enforcer Chevy LS3 238cc As Cast cylinder heads with 72cc combustion chambers. AFR's 238 LS3 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. The AFR 238cc LS3 Enforcer is the first Enforcer casting with 100% AFR design. With a smaller valve and port, this head outflows your OE LS3 casting by up to 20CFM at low lifts, offering greater performance potential. This budget friendly head is perfect for your OEM engine operating below 6300 RPM.Head come fully assembled with the identical components found in our higher end CNC ported cylinder head; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats, ductile iron seats (not powdered metal) and our one piece 8mm 21-4N/21-8N Stainless Steel valves. They are available without any parts for the DIY. Sold as a pair AFR Part # 1803 Pair There are many different options available for AFR heads, please view the details section below for the details on these heads. Please contact us with questions or check our eBay Store for the many other AFR heads available, and options such as upgrading springs or retainers. Details Wholesale Distribution available, contact us and we can create a special listing for you! AFR's 238cc LS3 Enforcer Cylinder head feature a 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 OEM engine operating below 6300 RPM. 238cc LS3 As Cast Flow Chart .200 .300 .400 .500 .550 .600 .650 Int 157 229 276 307 315 308 308 Exh 112 152 182 204 209 215 217 Test conducted at 28" of water (pressure) on Superflow 1020 Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe Basic Package Components Part # As-Cast Combustion Chambers As-Cast Exhaust Ports As-Cast Intake Ports Competition 5-angle Valve Job 8mm Bead Lock Intake Valve, 2.080" x 5.200" Overall Valve Length AFR #7241 8mm Bead Lock Exhaust Valve, 1.600" x 5.205" Overall Valve Length AFR #7212 PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650 maximum lift, Max RPM 7000-7200 AFR #8017 7° Steel Retainers 1.245" O.D x .880" I.D x .655" I.D AFR #8514 7° Bead Lock Valve Keepers AFR #9007 Viton Valve Seals .600" O.D x .495" I.D AFR #6615 Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D AFR #8042 Rocker Rail Stand AFR #6040 Head Material A356 Aluminum Intake Port Volume 238cc Intake Port Dimension 2.540"H x 1.190"W x 7/16° Radius Intake Port Location Stock Exhaust Port Volume 92cc Exhaust Port Dimension 1.500" H x 1.740" W Exhaust Port Location Stock Combustion Chamber Size 72cc Valve Cover Bolt Pattern Center Bolt Valve Angle 12° Valve Spring Pocket Diameter 1.490" O.D Max Valve Spring Pocket Machining 1.510" O.D Warning: Do not machine spring pad any deeper. Deck Thickness .750" Minimum Bore Diameter 4.000" Flat Mill - 65cc chamber .006" per cc 62cc Maximum Spark Plug Dimensions 14mm x .750" w/ Tapered or Gasket Seat Intake Port Gasket Factory GM or Aftermarket Recommend Rockers - OEM w/ trunion upgrade Yella Terra 6733 w/ 5132 Valve Cover gasket. Scorpion 1162 Exhaust Port Gasket GM #12558573 Head Gasket Cometic 4.160 Bore Size Head Bolts (04+), ARP 134-3610 AFR #6334 Head Studs (04+), 2004 & Later Blocks ARP #234-4317, Pre 2004 Blocks ARP #234-4316 AFR #6335 Head Bolt Washers, Manley AFR #6320 Suggested Manifold FAST 92mm or 102mm Spark Plug Starting Range NGK TR55 Pushrods: Longer than Stock (see instructions for details) We have AFR heads to fit almost every performance application! Check out our eBay Store or contact us dsff Shipping -IN STOCK ITEMS- Ship no later than the second business day after receiving cleared payment. Pay by 12pm PST and most orders will have SAME DAY SHIPPING! Due to PayPal and Credit Card policies any item or combination of items valued over $250 requires a signature for delivery. All items paid with PayPal must ship to the address in the shipping address field in your payment details as required by PayPal. If there are any issues fulfilling your order we will contact you and offer a full refund if there will be more than 5 days until shipping. Any item paid for with an echeck through PayPal will not ship until the money clears, typically 3-5 business days. We observe all major holidays; please contact us before bidding if you are unsure of when your item will ship. Domestic Shipping Options (Please note that day one is the day after the item ships): -UPS Ground- 1-7 days. Check at www.ups.com for your location. -USPS Priority Mail- 1-4 days but no detailed tracking with this service. -USPS Express Mail- 1-3 days and more detailed tracking than priority. -UPS Next Day Guaranteed- Order by 12pm Pacific Time to ship the same day for next day guaranteed delivery! UPS Ground and USPS Priority Mail do not have a guaranteed shipping timeframe. If you need your item ASAP in a guaranteed number of days we highly recommend upgrading to USPS Express Mail or UPS Next Day. International Shipping Services: - USPS Priority Mail- 6-14 days typical delivery time, but as long as one month on rare occasions. BUYER BEWARE - NO TRACKING with this service. - USPS Express Mail- HIGHLY RECOMMENDED 3-5 days typical delivery time with tracking, but as long as 2-3 weeks on rare occasions. - UPS Worldwide Expedited - 3-9 days GUARANTEED! (Most Countries, check UPS.com) - UPS Worldwide Saver - 1-5 days GUARANTEED! (Most Countries, check UPS.com) - UPS Standard to Canada - 4-10 days, ground service, check your zip code on UPS.com for estimated delivery date. Since USPS Priority Mail International does not have tracking we strongly recommend upgrading international shipping to USPS Express Mail or to USPS Global Express Guaranteed. International Information: We will ship any part from any auction to anywhere in the world! All customs fees are paid by the receiver. Please research your customs fees with your local government before ordering so you know what to expect to pay once the shipment arrives. We do not lower invoice values since it is a violation of US and International custom laws. All international shipments are shipped with the correct value for the parts shipped. eBay's NEW Feedback and Detailed Seller Ratings (DSRs) If you give us 4 stars, it may seem like a good score, technically a 4 is "Satisfied", eBay, however, considers this a low grade. eBay requires sellers to maintain very high standards to continue receiving the best pricing, which leads to lower item costs for the customer. If you were satisfied with the transaction, please leave positive feedback with all 5 stars for the DSR ratings. Please be patient and don't give negative feedback or below 5 star Detailed Seller Ratings without talking to us first. Let us work to resolve your problem so everyone is happy. Payment Credit card payments can be made by calling Due to eBay policies, sellers are no longer allowed to accept any other method of payment for eBay items besides credit card, debit card or paypal. This means that TREperformance is not allowed to accept other payment methods for any item purchased through eBay. It is always acceptable to visit our store in person to make payment and pickup your item at: TREperformance 1725 Monrovia Ave. Suite D7 Costa Mesa, CA 92627 Policies RETURNS AND EXCHANGES: We accept returns of unused, uninstalled, brand new goods, but we must charge a restocking fee of 20% to cover the costs we incur from eBay, Paypal, shipping, labor, etc. We also must charge a 20% restocking fee on any order which is cancelled after payment has been received, even if that order has not shipped. This is also to help cover the fees associated with eBay, PayPal, order processing, restocking, etc. If you would like to return or exchange an item please email us with your paypal or authorize.net transaction id # and the reason for the return or exchange. No returns are accepted without an RMA number which is given to the customer by TREperformance via email. Always have the RMA number clearly written on multiple sides of the package when you return the item. If it is not clearly written on multiple sides of the box it may be returned to sender. All returns must be received within 30 days of purchase. ACCEPTANCE OF TERMS: Your bid is a contract! By clicking upon "Place Bid" or "Buy It Now" or "Make Offer" the Buyer acknowledges that this action shall be treated as a legally binding "electronic signature," as this term is defined under federal law in the Electronic Signatures in Global and National Commerce Act of 2000. Buyer also acknowledges that he/she has read this web-page, as well as eBay's "Rules for Buyers" in there entirety, and has unconditionally accepted all terms included therein. Buyer also thereby warrants that he/she has any applicable legal authority to purchase this equipment, and that he/she will not use, sell, or otherwise distribute this item in any manner in violation of applicable state and federal laws. Buyer also agrees to indemnify and hold harmless TREperformance for liability from any and all claims arising out of Buyer's use, sale, or other distribution of this item. No refunds will be given unless the buyer receives prior written approval from TREperformance, and no repairs will be provided, nor labor charges covered by TREperformance in any situation. Seller reserves the right not to sell to bidders with excessive negative or "0" feedback. Contact Contact info: Email Anytime Mailing, Shipping & Storefront Address: TREperformance 1725 Monrovia Ave. Suite D7 Costa Mesa, CA 92627

Price: 1728 USD

Location: Costa Mesa, California

End Time: 2024-09-30T21:12:10.000Z

Shipping Cost: 0 USD