Diamond 40910 Big Block Ford 385 "THOR" Race Series Flat Top Pistons -3.5cc, 4.600" Bore, 4.500" Stroke, 6.700" Rod, 1.350" CD, .990" x 2.930 Pin

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Price: $1,912.25 Manufacturer: Diamond Racing Products Part No.: 40910 Compression Ratios 70cc          75cc          84cc          14.6:1 13.9:1 12.8:1 * Includes Oil Rail Supports Part Number 40910 Bore 4.600" Stroke 4.500" Rod Length 6.700" Comp. Height 1.350" Wrist Pin .990" x 2.930" Top Ring Down .320" Piston Material 2618 Alloy Piston Style Flat Top Volume -3.5cc 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- 09244600

Diamond Pro Select 09244600 - Advanced Profiling Steel Piston Ring Set .043" x .043" x 3/16", 4.600" Bore Price: $333.41 Quantity: * Whole number only 4.600" Bore, .043" AP Steel Top, .043" Napier 2nd, 3 Piece Standard Tension Oil +/- 23lb