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Sonny's Racing Engines
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    • Drag Racing Engines
      • SAR 1005 (2100 HP)
      • SAR 932 - (2025HP)
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      • SAR 903 - (2900+ HP)
      • Sonny's903 Hemispherical Headed Engine
      • SAR 892 - (2000+ HP)
      • SAR 864 - (2550+ HP)
      • SAR 864 - (2600+ HP)
      • SAR 828 - (1900+ HP)
      • SAR 777 - (1750 HP)
      • SAR 762 - (1700 HP)
      • SAR 727 - (1475 HP)
    • Truck Pull Engines
      • SAR 775 - ( 1800 HP) ** Truck Pull Engine
      • SAR 649 - (1640 HP) **Truck Pull Engine
    • Street Engines
      • SAR-727 ( 1400 + HP) 1X4 HEMISPHERICAL HEADED PUMP GAS ENGINE
      • SAR 762 - (1450 HP) PUMP GAS ENGINE
      • SAR-940 (1650+HP) 5.3 Bore Space Hemispherical Headed Pump Gas Engine
    • Boat Engines
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      • SAR 711 Extreme Marine Engine
      • SAR 727 EFI Marine Engine
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  • Cylinder Heads
    • Next Generation
      • 5.000 BORE SPACING "NEXT GENERATION" HEMISPHERICAL CYLINDER HEADS
      • SONNY'S NEW 5.000" BORE SPACING BILLET "NEXT GENERATION" BILLET CYLINDER HEADS
    • Pro Series
      • Sonny's New Symmetrical Port 5.000" Billet Head
      • Sonny's Symmetrical Port 5" Bore spacing 11 DEGREE "PRO SERIES HEADS"
      • SONNY'S SYMMETRICAL PORT 5" BORE SPACING 5 x 13 "PRO SERIES" HEADS
      • SONNY'S SYMMETRICAL PORT 5" BORE SPACING 5 x 16 "PRO SERIES" HEADS
      • SONNY'S SYMMETRICAL PORT 5" BORE SPACING "PRO SERIES" HEADS (DRAG)
      • SONNY'S SYMMETRICAL PORT 5" BORE SPACING MARINE / HIGH PERFORMANCE STREET HEADS
      • SONNY'S SYMMETRICAL PORT 5" BORE SPACING HEADS (MARINE)
    • Brodix Pontiac
      • SONNY'S 14.5 DEGREE BRODIX "AS CAST" PONTIAC HEADS
      • SONNY'S 14.5 DEGREE BRODIX PONTIAC HEADS
      • SONNY'S 14.5 DEGREE BRODIX PONTIAC HEADS MARINE
    • BBC
      • SAR/BRODIX BB-5 390CC MAX FLOW MARINE HEADS
    • 5.3" Bore Spacing
      • Sonny's new 5.3 Wedge Billet Pro Mod Cylinder Head
      • 5.3 GM style Hemispherical Heads
      • 5.300 GM PRO MOD WEDGE HEADS
    • Mercury
      • Mercury Marine Replacement Heads
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    • Accessories
      • Sonny's Distributor Cover - CALL FOR PRICING
      • Sonny's Billet oil filter adapter-CALL FOR PRICING
      • Valve Spring Checker for Hemispherical Heads - CALL FOR PRICING
      • Sonny's 5.3 Wedge Billet Valve Covers - CALL FOR PRICING
      • Sonny's 5.3 Bore Spacing Billet Valve Covers - CALL FOR PRICING
      • Sonny's Billet Valve Covers - CALL FOR PRICING
      • SAR TDM Spring Changer - CALL FOR PRICING
      • SAR Water Manifold-CALL FOR PRICING
      • SAR Torque Wrench - CALL FOR PRICING
      • SAR Pop-off Valve - CALL FOR PRICING
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      • Sonny's new Billet Aluminum Manifold for Sonny's Hemispherical Headed Engines - CALL FOR PRICING
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      • Sonny's Chiller (no ice required) - PRICING SUBJECT TO CHANGE
      • MSD APS Starter Chevy/GM Small/BBC V8- CALL FOR PRICING
      • Racepak Sportsman Complete System - CALL FOR PRICING
      • Mezier Billet Flexplate - CALL FOR PRICING
    • Racepak
      • Racepak Sportsman Complete System - CALL FOR PRICING
      • Racepak V300SD Complete System - CALL FOR PRICING
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    • Magazine Articles
      • Sonny's 727 Pump Gas Street Engine
      • Sonny's 727ci in Street Commodores
      • Sonny's 1005ci Giant
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      • Sonny's New 802ci Monster
      • Drag Review - May 2015
      • Drag Review - December 2015
      • Drag Illustrated - April 2013
      • Drag Racer - November 2012
      • Drag Racing Action - May 2009
      • Race Engine Technology - July 2008
      • Adrenaline - May 2005
      • Popular Hot Rodding - October 1996
      • Chevy High Performance - August 1995
      • Super Stock - December 1993
      • Drag Racing - July 1990
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Over 57 years in the business
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  • Cylinder Heads

Cylinder Heads

Next Generation
Next Generation... All of our designed cast aluminum cylinder heads are hipped (hot isostatic pressing) This process forces trapped gasses, voids, porosity to the surface making the complete head to be more dense, and up to 20% stronger
Pro Series
Pro Series... All of our designed cast aluminum cylinder heads are hipped (hot isostatic pressing) This process forces trapped gasses, voids, porosity to the surface making the complete head to be more dense, and up to 20% stronger
Brodix Pontiac
Brodix Pontiac
BBC
BBC
5.3" Bore Spacing
5.3" Bore Spacing
Mercury
Boat Engines
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