WebJan 21, 2024 · RPO LS7 cylinder heads are 356-T6 aluminum with 70cc CNC ported combustion chambers, raised square port, CNC ported intake ports with 259cc runners, D-port, CNC ported exhaust with 86cc runners, 2.205˝ intake valves and 1.610˝ exhaust valves. WebSingle 706 LS Aluminum Cylinder Head Chevy GMC 4.8 5.3 liter v8 engine. Pre-Owned. $79.99. bodarkautoparts (75) 100%. or Best Offer. +$55.74 shipping.
KAT-M7107 CNC Port LS1/Truck 862, 706 Cylinder Heads (PAIR)
Web706/862 LS CNC Ported Heads $ 1,100.00 – $ 1,845.00 Add to cart SKU: wp-706/862 Category: HEADS/PORTING SERVICE Description Additional information Speed Works has … WebJun 15, 2024 · See all 17 photos The ported 706 heads supplied with the Strictly Performance 5.3L featured an aftermarket dual spring kit. The springs were more than sufficient for the intended rpm and valve ... irs 8802 form
A Guide to LS Cylinder Heads - Engine Builder Magazine
WebDec 31, 2011 · Because factory size in the 706 head was 1.89 intake 1.55 ex. NTMD8R_SS 4.8k Gender:Male Location:Houston,TX Owns:SS Color:Black Year:2006 Drivetrain:2WD Author Posted December 16, 2011 stock valves. 1FASTBRICK Member 386 Gender:Male Location:SoCal Owns:VHO Color:Dark Grey Met Year:2005 Drivetrain:2WD Posted … WebAFR 12° MONGOOSE HEADS - LS3 - 260cc - 69cc CHAMBER - CNC PORTED - 6 BOLT - ASSEMBLED - AFR1840. $3,095.95. Add to Cart. Please login to add to Quote. AFR 15° MONGOOSE HEADS - LS1 - 230cc - 65cc CHAMBER - CNC PORTED - 4 BOLT - ASSEMBLED - AFR-1660. WILL SHIP DIRECTLY FROM MANUFACTURER ESTIMATED SHIP DATE: TBD. WebSpeed Works has teamed up with Wilkes Performance to bring you the most powerful heads available. We have a few options you can purchase such as a pair of Stage 1, Stage 2, Stage 3, or Stage 4 LS 243/799 Cathedral casting 5 axis CNC Porting with stainless valves and WP .660 dual race springs with WP titanium retainers. irs 8822 address