Image is a representation of this item. Actual item may vary.
Part Number:
DRP-21010-R1-8

21010 Diamond Pistons BB Chevy 20° Competition Forged Dome 4.610 Bore -R1-8

Fits BB Chevy, Bore 4.610, Stroke 4.500, Rod Length 6.385, Dome 27.94cc, Set of 8 Pistons

$1,567.97
View Similar Items
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
  • Designed for use with Brodix SR20 and Dart 20 Degree cylinder heads
  • Vertical gas ports for maximum ring seal
  • Inboard forging design for maximum strength
  • Suitable for small to medium nitrous applications
  • Moly skirt coating included
  • Premium .043 x .043 x 3mm Total Seal AP ring package available
  • Premium Trend H-13.185" wall tool steel wrist pins included
  • Top Ring down = .280" - .295" on 1.065 C/D
  • Accommodates a maximum intake valve size of 2.400" and exhaust valve size of 1.800"
  • Valve relief depth= .345" intake and -.030" exhaust


    Compression Ratio with 95cc Heads 15.9:1
    Call for piston weight
  • More Information
    CNC Part Number DRP-21010-R1-8
    Price $1,567.97
    Manufacturer's Part Number 21010-R1-8
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.610
    Crankshaft Stroke 4.500
    Rod Length 6.385
    Piston Type Dome
    Compression Height 1.155
    Piston Material 2618 Forged
    Piston Ring Size .043 .043 3.0mm
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING
    Other Customers Also Bought
    PART #: TRA-2333 2333
    Trans-Dapt 2333 Carburetor Linkage Plate for Holley/AFB Carbs
    $43.95
    PART #: ARP-454-3602 454-3602
    ARP Ford High Performance Cylinder Head Bolts 454-3602
    Special Price $91.45 Regular Price $99.95
    PART #: UEM-KB160-STD Keith Black Pistons KB160-STD Fits BBC 396 402 Dome 17cc Bore 4.125
    Keith Black Pistons KB160-STD Fits BBC 396 402 Dome 17cc Bore 4.125
    Special Price $484.74 Regular Price $492.12
    PART #: SCA-2-350-6000-2000 Scat 2-350-6000-2000 H Beam Connecting Rods
    2-350-6000-2000 Scat SBC Connecting Rods H Beam
    Special Price $703.90 Regular Price $721.95
    PART #: TCI-312000 312000 TCI Chevrolet TH350 Transmission
    312000 TCI Transmission Chevrolet TH350
    $2,495.95
    PART #: JES-K2S-2059280Z70A K2S-2059280Z70A Jesel Pro Series Steel Shaft Rockers 1.80/1.70
    K2S-2059280Z70A Jesel Pro Series Steel Shaft Rockers 1.80/1.70
    Special Price $5,150.25 Regular Price $5,450.00
    PART #: HOL-522-221X 522-221X Holley Terminator X Fuel Injector - Individual
    522-221X Holley Terminator X Fuel Injector - Individual
    $123.95
    PART #: MAH-930167565 Mahle Pistons 197830085 Forged 14.5:1 Dome 4.185 Bore
    Mahle Pistons 930167565 Forged 15.1:1 Dome 4.065 Bore
    Special Price $1,122.41 Regular Price $1,220.01
    PART #: UEM-IC808-100 Icon Pistons IC808-100 Fits BBC 502 Dome 17cc Bore 4.566
    Icon Pistons IC808-100 Fits BBC 502 Dome 17cc Bore 4.566
    Special Price $836.95 Regular Price $862.84