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Fleece Performance GM LTR Freedom Series Standard Deck Solid Aluminum Block FPE-LTR-FMJ-SD10X

Fleece Performance GM LTR Freedom Series Standard Deck Solid Aluminum Block FPE-LTR-FMJ-SD10X

Regular price $7,398.00
Regular price Sale price $7,398.00
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In-stock orders are processed within 48 hours; transit time is additional.

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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

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After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Engine Block
Category
Motor Vehicle Engine Parts
Shipping weight
150.0 lb
Barcode
732777409808

Billable shipping weight; may include dimensional weight.

FPE Gas Engine Blocks

The FPE-LSR-FMJ-SD10X is a premium aluminum Gen V LS Standard Deck Race Block designed for high-performance applications. Engineered with precision and built for durability, this race block delivers unmatched strength and compatibility with OEM LS accessories. Whether you're upgrading for competitive racing or seeking peak performance, the FPE-LSR-FMJ-SD10X ensures reliability and excellence in every detail. Proudly made in the USA, it's a perfect choice for serious enthusiasts and professionals alike. | Billet main caps: Premium billet construction ensures stability and precision fitment. Utilizes 7/16-14 main studs and M10 side bolts along with dowels on the inner studs of the block for superior clamping and reliability. | Enhanced design: Includes additional stock to the front and rear valley walls for increased strength along with minimum 0.625-inch skirt wall thickness and a complete reinforced exoskeleton. | The LSR block is semi-machined and requires final machining to the builder's final specifications for the application, required machining includes: | Priority Oil System: Oil rifling provides priority oil feed to the critical bottom-end components, reducing heat, wear, and risk of failure. | Ductile iron sleeves: Provide a durable wear-resistant surface with improved shock absorption to handle high-performance applications. | Cross-braced lifter valley: Provides added structural integrity and individual drain backs for improved reliability. | The camshaft and lifter bores are finished, honed, and ready for precision bearings and lifters. | Heavy-duty deck thickness: Features a robust 0.750-inch deck thickness for enhanced durability. | Lightweight: Weighs only 120 pounds with main caps, offering a strong yet lightweight solution. | Maximized crankshaft saddle radius: Optimized for performance under high-stress conditions. | Final OD on the crankshaft mains (0.003 additional provided for the final hone) | Final deck surface (0.020 additional provided on the deck surface) | Main studs: 7/16 -14, AMS6304 alloy (220,000 PSI tensile strength) | Final cylinder hone (sleeve inside diameter of 4.110 provided) | Freedom Series LSR Standard Deck Solid Aluminum Block | Precision ground 1018/1020 Steel cam thrust plate | The engine block is shipped with the following: | LSR rear cover, rear cover gasket, and hardware | Head studs: Threaded for 1/2 -13 bolts/studs | Maximum Cylinder Bore Size: 4.185 | Lifter Bore: 0.8430" - 0.8435" | Main Bore: 2.7475" - 2.7485" | Durabond GMP-9 cam bearings | Cam Bore: 2.3075" - 2.3088" | TECHNICAL SPECIFICATIONS | Transmission dowel pins | Oil galley barbel plug | Cylinder Bore: 4.110 | Deck Height: 9.251 | Rear main seal | BUILDER NOTES | IN THE BOX | FEATURES | Plug kit

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