Dart® - LS Next Cast Iron Engine Block

00 reviews|Item # 1093471696
Manufactured - Ships in 7 to 10 days
1969 Chevy Caprice
Fits Following Model(s):
  • 5.0L / 5.3L / 5.4L / 5.7L
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    Product Details

    Chevy Caprice 5.0L / 5.3L / 5.4L / 5.7L 1969, LS Next Cast Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get your vehicle back on the road faster and easier.



    Deck Height: 9.240"
    Engine Block Material: Cast iron
    Engine Block Style: Stock/OEM standard deck
    Finished Cylinder Bores: No
    Main Bolt Style: 4-bolt
    Main Cap Material: Steel
    Main Journal Type: LS mains
    Quantity: 1 Piece
    Raised Cam Location: No
    Rear Main Seal Style: 1 Piece


    • Dart’s LS Next block is cast in the USA with premium cast iron alloy
    • Conventional style 4-bolt steel main caps with 7/16” bolts are used
    • Full main webbing for maximum bottom end strength
    • Cylinder barrels are extended by .375” at the bottom, providing greater piston support for all combinations
    • 9.240” – 9.450” deck heights are available which allows for a possible effective barrel length of 9.825” deck block
    • Extra thick Siamese cylinder bores allow for large displacement capacity, and a max bore size of at least 4.200”
    • A 5/8” thick full deck design with a 9.240” deck height
    • Six head bolts per cylinder provide secure clamping for power adder applications
    • Head bolts are upgraded to 7/16” for increased strength
    • Blind head bolt holes don’t go through into the water jacket
    • Provision for oil restrictors in the lifter valley
    • Revised low restriction priority main oiling system
    • Pro-Stock / Pro-Mod big block style stepped main oil galley 
    • An external oil filter must be used with stock or aftermarket oil pumps
    • Dual starter mounts
    • The water jacket on the #1 cylinder has been expanded for additional cooling capacity
    • LSX style lifter bosses and dog bone provision are provided


    • Main Caps: Yes
    • Main Cap Fasteners: Yes
    • Main Bearings: No
    • Cam Bearings: No
    • Freeze Plugs: No

    Looking for quality performance engine parts, so you can blow away the competition? Rely on Dart®, the company that’s been leading the way in racing engine components for more than 30 years. Founded by Richard Maksin in 1981 in a two-car garage in Oak Park, Michigan, Dart has grown to become a leading manufacturer of aftermarket cylinder heads, intake manifolds and engine blocks. The company’s commitment to creating the industry’s best engine parts makes it the perfect choice for racers and performance enthusiasts. Dart does all research, development, machining and assembly in its own facilities in Troy, Melvindale and Warren, Michigan to give you the best in quality with any product you buy. Engineered with state-of-the-art CNC equipment and thoroughly inspected, nothing can beat Dart’s products in performance and durability. Stay on the winning track with championship-winning Dart engine components!

    Part Number:


    Dart Machinery Ltd. (from here on referred to as Dart) warrants to the original purchaser that the products will be free from defects in material and workmanship under normal use. Dart’s obligation under this warranty shall be limited to the repair or replacement, at its’ option, of any parts or products which may prove defective under normal use within six (6) months from the date of sale, and which the examination of Dart reveals to its’ satisfaction that the products in question are in fact defective. This warranty is expressly in lieu of all other warranties expressed or implied including the warranties of merchantability and fitness for use and of all other obligations or liabilities on the part of Dart. The purchaser acknowledges that he is not relying on Dart’s skill or judgment to select or furnish goods suitable for any particular purpose and that are no warranties, which extend beyond the description on the face hereof. The warranty contained herein shall not apply to any part or product, which has been subject to accident, negligence, alteration, abuse or misuse. Dart makes no warranty whatsoever in respect to accessories or parts not supplied by Dart Machinery Ltd. This warranty shall apply only within the boundaries of the continental United States. Any affirmation of fact or promise made by Dart shall not be deemed to create an express warranty that the product shall conform to the affirmation or promise; any description of the product is for the sole purpose of identifying it and shall not be deemed to create an express warranty that the product shall conform to such description; any sample or model is for illustrative purposes only and shall not be deemed to create an express warranty that the product shall conform to the sample or model; and no affirmation or promise, or description, or sample or model shall be deemed part of the basis of the bargain.

    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

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