https://musclemarineracing.com/ daily https://musclemarineracing.com/products/502-509-offshore-endurance-engine 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/509offshoreenduranceengine.png?v=1767326129 502 / 509 Offshore Endurance Engine https://musclemarineracing.com/products/new-5-7l-350-v8-pre-vortec-gm-marine-engine-replaces-mercruiser-years-1987-95 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/pre-vortecgmmarineengine.png?v=1767330884 New 5.7L 350 V8 Pre-Vortec GM Marine Engine. Replaces MerCruiser years 1987-95 https://musclemarineracing.com/products/383-stroker-vortec-425hp-hot-rod-engines-brand-new 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/383StrokerVortec425HPhot.png?v=1767331499 383 Stroker Vortec 425HP Hot Rod Engines Brand New!! https://musclemarineracing.com/products/volvo-penta-gxi-5-7-liter-vortec-v8-marine-engine-1996-newer-w-8-bolt-intake 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/VolvoPentaGXI5.7literVortec.png?v=1767375547 Volvo Penta GXI 5.7 liter Vortec V8 Marine Engine 1996 & Newer w 8 bolt Intake https://musclemarineracing.com/products/454-mercruiser-gen5-service-replacement-short-block-small-dome-pistons 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/454mercruisergen5serviceshortblock.png?v=1767377827 454 MerCruiser Gen5 Service replacement Short Block Small dome pistons, https://musclemarineracing.com/products/454-496-stroker-short-blocks-with-625hp-hydr-roller-camshaft 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/454.496strokershortblockswhydrcamshafts.png?v=1767378115 454 / 496 Stroker Short blocks with 625hp Hyd Roller Camshaft https://musclemarineracing.com/products/new-reman-8-1-liter-gm-marine-496-base-engine-mercruiser-volvo-penta-or-indmar 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/8.5LGMMarineengine.png?v=1767378530 New Reman 8.1 Liter GM Marine 496 Base Engine, MerCruiser, Volvo Penta or Indmar https://musclemarineracing.com/products/502-509-offshore-racing-short-block 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0003.jpg?v=1767388316 502 / 509 Offshore Racing Short Block https://musclemarineracing.com/products/1060-horsepower-supercharged-540-in 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0027.jpg?v=1769223092 1060 Horsepower Supercharged 540 in.³ https://musclemarineracing.com/products/572-cubic-inch-830-horsepower 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0022.jpg?v=1769223283 572 Cubic Inch 830 Horsepower https://musclemarineracing.com/products/brand-new-cnc-machined-engine-blocks 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0024.jpg?v=1769223422 BRAND NEW Muscle Marine CNC Machined Engine Blocks https://musclemarineracing.com/products/496-in-673-horsepower-gen-4-long-block 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0015.jpg?v=1769223652 496 in.³ 650 Horsepower Long Block https://musclemarineracing.com/products/555-cubic-inch-680-horsepower 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0010_4901dd4b-467b-4c64-82cb-86bdecbfc930.jpg?v=1769223777 555 Cubic Inch 680 Horsepower https://musclemarineracing.com/products/572-740hp-pump-gas-bullfrog 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0885.jpg?v=1783389888 572, 740hp Pump Gas BullFrog https://musclemarineracing.com/products/454-l29-vortec-1996-newer-applications-only 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_0008_560ab072-d3c6-4168-8ad2-e3b14cc3f8cb.jpg?v=1783390096 454 L29 Vortec 1996 & Newer Applications Only https://musclemarineracing.com/products/540-cubic-inch-720hp-bulldog 2026-07-18T03:41:40-05:00 daily https://cdn.shopify.com/s/files/1/0652/2775/1495/files/IMG_6904.jpg?v=1783391182 540 Cubic Inch, 720hp BullDog