CHEVY 3919840 Rectangle Port Big Cylinder Block Head G-31-8

( Manufacturer Part Number: 3919840 ), ( Part Type: Cylinder Block Head )

Review CHEVY Rectangle Port 840 Big Bbc Cylinder Block Head 31-8 fits 427 396 1969

The product you're interested in is a high-performance cylinder block head for Big Chevy BBC (Bolt-Bolt-Chevy) engines, specifically designed for 396 cubic inch engines with a G-31-8 designation. This particular component is a rectangle port cylinder head, measuring 8.40 inches in height, 4.27 inches in width, and boasting a length of 19.69 inches.

This Big Chevy BBC cylinder head is a must-have for enthusiasts seeking to upgrade their engine's performance. The rectangle port design allows for improved airflow, resulting in increased horsepower and torque. The head is made from top-quality material, ensuring durability and longevity under high-stress conditions.

The cylinder head is compatible with 31-8 engines, making it a versatile choice for a wide range of Big Chevy enthusiasts. The G-31-8 designation refers to the specific camshaft and valve train configuration that this head is designed to work with, ensuring optimal performance.

In summary, this rectangle port Big Chevy BBC cylinder head is a powerful and reliable upgrade for your 396 cubic inch engine. Its size, design, and compatibility with G-31-8 engines make it a popular choice among performance enthusiasts. Install this head in your engine to experience improved power, torque, and overall engine performance.

1. High Performance: This block is designed for high performance, making it suitable for racing or high-powered applications.

2. Durability: The big chevy bbc cylinder block is known for its robustness and durability, able to withstand high horsepower and torque.

3. Availability of Parts: The block is widely available, making it easy to find replacement parts or upgrades if needed.

4. Compatibility: This block is compatible with many different engine configurations, allowing for versatility in building your engine.

1. Cost: The block is generally more expensive than some other options, which could be a disadvantage for those on a tight budget.

2. Requires Skills: Installing and setting up the block requires some mechanical skills and knowledge, which may be a challenge for some buyers.

3. Limited Capacity: While the block is robust, it may not be suitable for engines with extremely high horsepower or torque, as its capacity may be limited.

The 3919840 rectangle port 840 427 1969 big chevy bbc cylinder block head 31-8 396 g-31-8 is a high-performance option for those looking to build a powerful engine. Its durability, availability of parts, and compatibility with various engine configurations are strong advantages. However, its cost and the requirement for mechanical skills are drawbacks to consider. If you have the necessary skills and budget, this block could be a great choice for your project. If not, you may want to consider other options that are more budget-friendly or easier to install.

Details:

Looks to be stock springs with stainless valves. Bbc big block Chevy rectangle port cylinder head 31 8 single head that I will sell cheap because its been milled pretty much.

It has started surface rust because sitting around bare. Somebody cleaned up and assembled to use but never was. No porting or polishing.

part #: 3919840 prices

• $350.00-$1795.00

specifications cylinderheapar:

• for models: 427, 396
• for makes: Chevy
• for years: 1969
• mpn: 3919840
• part type: Cylinder Block Head

Ratings:

1. Good Prices--Fast delivery--Good 03-18-16
2. shipped as promised 03-20-16
3. faster than a speeding bulit 03-19-16
4. More than I wanted to spend for an old shifter ball. When I got, great piece. 03-18-16
5. Great transaction, super fast shipping, great quality products 03-20-16

Seller cylinderheapar:

• city: Cincinnati, Ohio
• zipcode: 45229

Offer cylinderheapar:

• quantity: 1
• Started: March 21, 2016, 9:49 am
• best offer: false
• # Sold: 0
• # bids: 0

General cylinderheapar:

• Motors > Parts & Accessories > Vintage Car & Truck Parts > Engines & Components > Cylinder Heads & Parts
• in stock: Yes
• condition: Used

Shipping cylinderheapar:

• handling: 1 days
• type: Flat
• cost: $75.0

Payments cylinderheapar:

• PayPal

Returns cylinderheapar:

• policy: returns accepted
• type: Money Back
• time: 14 Days
• paid by: Buyer

Chevy 3919840 Is Similar To:

• 00000000 Chevy Lots Of Big (22.6% similar) They make great cores, would recommend having them rebuilt. These heads weigh 70 pounds each. Wont find a better deal then that anywhere. Etc no cracks, there not warped, some of these heads are complete with valves, studs, rockers, springs, retainers and locks. Also have other big block chevy ...(April 2nd, 2017)
• 101-505 For Chevy Camaro High Performance Racing Complete Aluminum Cylinder Head (41.3% similar) 20, c bind specifications: head bolt torque: ft-lb, 75 ft-lb on bottom permeates rocker stud 45 intake port gasket: feel pro 1255, 1205 or equivalent exhaust 1404 1003, cosmetic C5399 bolts studs: ARP134-3601, Manley 42313, APR washers: 42102, Mr. This premium product is the best way to go for those...(October 27th, 2018)
• 10101140 Gm Chevy Pair Of Matching Numbers Cylinder Heads Oval Ports (43.2% similar) For sale is this pair of gm matching numbers cylinder heads. Oval ports, some surface rust gm 1 will work on chevy motors...(November 29th, 2018)
• 102-505 For Chevy Camaro High Performance Racing Complete Aluminum Cylinder Head (40% similar) 160 retainers: 7 degree chrome Molly retainer valve locks: locks rocker stud: 3/8 stud avail. Specifications: head bolt torque: ft-lb, 75 ft-lb on bottom permeates rocker stud 45 intake port gasket: feel pro 1255, 1205 or equivalent exhaust 1404 1003, cosmetic C5399 bolts studs: ARP134-3601, Manley ...(October 26th, 2018)
• 1031 Afr For Chevy Silverado Eliminator Street Cylinder Heads (45.4% similar) This premium product is the best way to go for those looking highest quality replacement that offers supreme levels of quality, performance and reliability. 885 id x o od hydraulic roller dual valve spring, 140 lbs on seat. 6 flat mill. 655 id 7 bead lock valve keepers APR 3/8 rocker studs ...(October 26th, 2018)
• Multi-layer Head Permatorque Sbc 1142-026 Chevy Gasket Fel-pro Steel (17.6% similar) Same day shipping is dependent on the time of day the order is placed. Pre flattened copper wire ring gaskets will not brine ll aluminum heads. Multi layer steel gaskets offer current leading edge technology and provide a long term, leak proof seal called perms torque mils. Manufactured to work ...(April 3rd, 2015)
• 11569648 Gm Cylinder Head Bolt Lot Of Chevy Buick Olds Pontiac (31% similar) God bless the USA and her troops. Sales and shipping within the USA only. The winning bidder will receive all 10 pieces. They're nos in the original packaging. I do not know any of the exact applications. Please visit my other offer offerings for more quality stuff. Offered is a believed to fit some...(January 2nd, 2019)
• 1200-hrsb-505a For Chevy Camaro Cylinder Head High Performance Racing 850134007228 (39.5% similar) Right out of the box, these heads deliver exceptional flow numbers. 46 dual spring -PSK618-1-10 solid roller kit: this premium product is the best way to go for those looking highest quality replacement that offers supreme levels of quality, performance and reliability...(October 26th, 2018)
• 1200-hrsb-505s For Chevy Camaro Cylinder Head High Performance Racing 850134007235 (39.5% similar) High performance racing street build complete cylinder head HRSB-505S by Flo-teak. Specifications: head bolt torque: ft-lb, 75 ft-lb on bottom permeates rocker stud 45 intake port gasket: feel pro 1205 or equivalent exhaust 1404 1003, cosmetic C5399 bolts studs: ARP134-3601, Manley 42313, APR ...(October 26th, 2018)
• 1-22-68 3933163 1968 Big Block Chevy 396 427 Rectangle Port Aluminum Intake 163 (71.7% similar) This intake is ready to bolt on. Part date shipping is flat rate in us only. No porting or polishing and all threaded holes are in good shape. Very nice intake with no cracks or repairs...(November 24th, 2015)
• 12495499 Gm Performance Small Block Chevy Cylinder Head Bolt Kit (45.8% similar) For use with iron or aluminum heads. I have 2 sets to sell and only 1 box so somebody will get 1 set without box. Gm performance small block chevy cylinder head bolt kit new ABC hex head bolts with thread sealer...(December 22nd, 2015)