Diamond 40725 Big Block Ford 385 Series Race Dome Pistons 12.5cc, 4.500" Bore, 4.500" Stroke, 6.800" Rod, 1.235" CD, .990" x 2.930 Pin

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Price: $1,912.25 Manufacturer: Diamond Racing Products Part No.: 40725 Compression Ratios 91cc          83cc          78cc          13.4:1 14.5:1 15.4:1 * Includes Oil Rail Supports Part Number 40725   Bore 4.500" Stroke 4.500" Rod Length 6.800" Comp. Height 1.235" Wrist Pin .990" x 2.930" Top Ring Down .350" Piston Material 2618 Alloy Piston Style Dome Volume 12.5cc Ring Stack .043" x .043" x 3/16"   Available Options Moly Skirt Coating Ceramic Dome Coating Hard Anodized Coating  Double Diamond Coating (Hard Anodized and Moly Skirt) 4130 Chrome Moly Wrist Pins 0.155" Wall  4130 Chrome Moly Wrist Pins 0.155" Wall 9310 Endurance Alloy Wrist Pins 0.145" Wall 9310 Endurance Alloy Wrist Pins 0.155" Wall 9310 Endurance Alloy Wrist Pins 0.165" Wall 9310 Endurance Alloy Wrist Pins 0.185" Wall H-13 Tool Steel Wrist Pins 0.145" Wall H-13 Tool Steel Wrist Pins 0.155" Wall H-13 Tool Steel Wrist Pins 0.165" Wall H-13 Tool Steel Wrist Pins 0.175" Wall H-13 Tool Steel Wrist Pins 0.185" Wall H-13 Tool Steel Wrist Pins 0.195" Wall H-13 Tool Steel Wrist Pins 0.200" Wall H-13 Tool Steel Wrist Pins 0.205" Wall H-13 Tool Steel Wrist Pins 0.215" Wall H-13 Tool Steel Wrist Pins 0.220" Wall H-13 Tool Steel Wrist Pins 0.225" Wall H-13 Tool Steel Wrist Pins 0.250" Wall H-13 Tool Steel Wrist Pins 0.165" Wall DLC Coated Recommended Piston Ring Set- 09244500

Diamond Pro Select 09244500 - Advanced Profiling Steel Piston Ring Set .043" x .043" x 3/16", 4.500" Bore Price: $333.41 Quantity: * Whole number only 4.500" Bore, .043" AP Steel Top, .043" Napier 2nd, 3 Piece Standard Tension Oil +/- 23lb