Image is a representation of this item. Actual item may vary.
Part Number:
SRP-148750

SRP Pistons 148750 Forged 350/ 400 Dish 4.030 Bore

SRP Pistons, SBC 383, Bore 4.030, Stroke 3.750, Rod Length 5.700, Dish -31cc, 473 Grams, Set of 8

Special Price $661.49 Regular Price $734.99
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.
SRP Professional pistons are the most advanced lightweight FSR forging that offers superior strength. SRP pistons are up to 20% lighter than traditional equivalent pistons. High-silicon 4032 aluminum alloy for reduced piston-to-wall clearance and quiet operation. Accumulator grooves for improved ring seal. Designed for normally aspirated or moderate forced induction nitrous engine applications. SRP professional pistons come standard with high-performance skirt coating and low drag performance piston rings.

  • Ring land and crown thickness specifically engineered for mild turbo, supercharged, and nitrous applications.
  • CNC machined domes with radiused valve reliefs provide optimum flame travel.
  • Optional bearing steel pins available
  • Forced pin oiler for increased wrist pin lubrication.
  • Pin fitting and double spiro locks included.
  • 927-2750-150 wall wrist pin (130 grams) included
  • CNC Machined ring grooves accept 1/16, 1/16, 3/16mm rings (Rings Sold Separately)

    Compression Ratio:
  • 58cc 9.0:1
  • 64cc 8.5:1
  • 70cc 8.1:1
  • More Information
    CNC Part Number SRP-148750
    Price $734.99
    Manufacturer's Part Number 148750
    Brands SRP
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.030
    Crankshaft Stroke 3.750
    Rod Length 5.700
    Piston Type Dish
    Compression Height 1.425
    Piston Material 4032 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING

    Upsell Products

    Other Customers Also Bought
    PART #: JE-J100F8-4155-5 JE Premium Race Series Piston Ring Set J100F8-4155-5
    JE Premium Race Series Piston Ring Set J100F8-4155-5
    $238.99
    PART #: CAN-24-006 Accusump Oil Accumulator 16 Long No Valve 3QT 24-006
    Accusump Oil Accumulator 16 Long No Valve 3QT 24-006
    $325.00
    PART #: SCA-4-454-4250-6385-L Scat 4-454-4250-6385-L 4340 Forged Steel Standard Weight Crankshaft
    Scat 4-454-4250-6385-L 4340 Forged Steel Standard Weight Crankshaft
    $1,075.95
    PART #: SCA-2-239-7000-2138 2-239-7000-2138 Scat Rods Ford Flathead H Beam Connecting Rods
    2-239-7000-2138 Scat Rods Ford Flathead H Beam Connecting Rods
    Special Price $754.60 Regular Price $773.95
    PART #: CCA-7730-16 Comp Cams 7730-16 Hi-Tech Pushrods 8.375" Length
    Comp Cams 7730-16 Hi-Tech Pushrods 8.375" Length
    $205.95
    PART #: CS-6261-M Compstar 6.2L LS3 376 Balanced Rotating Assembly, -12cc Dish Mahle Pistons
    Compstar 6.2L LS3 376 Balanced Rotating Assembly, -12cc Dish Mahle Pistons
    Special Price $3,328.95 Regular Price $3,368.95