Diamond 40645 Big Block Ford 385 Yates Race Series Flat Top Pistons -4.6cc, 4.625" Bore, 4.750" Stroke, 6.700" Rod, 1.225" CD, .990" x 2.930 Pin

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Price: $2,039.99 Manufacturer: Diamond Racing Products Part No.: 40645 Compression Ratios 62cc          65cc          68cc          16.5:1 16.0:1 15.5:1 * Includes Oil Rail Supports Part Number 40645 Bore 4.625" Stroke 4.750" Rod Length 6.700" Comp. Height 1.225" Wrist Pin .990" x 2.930" Top Ring Down .350" Piston Material 2618 Alloy Piston Style Flat Top Volume -4.6cc 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- 09244625

Diamond Pro Select 09244625 - Advanced Profiling Steel Piston Ring Set .043" x .043" x 3/16", 4.625" Bore Price: $333.41 Quantity: * Whole number only 4.625" Bore, .043" AP Steel Top, .043" Napier 2nd, 3 Piece Standard Tension Oil +/- 23lb