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Pistons, Pins, Rings
& Bearings
(For a better view of these parts, click on the picture)
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  All of the pistons listed here come with a lifetime warranty.

  
Pistons (Forged Aluminum)
All pistons listed come complete with wrist pins.

350 - 362 C.I.D.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
62.5 cc
Head
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
Price
2020 350 Flat Top 350 4.057" 1.612" .980" 10.44:1 10.26:1 9.59:1 9.39:1 9.11:1 8.67:1
$599.00
2020+.030 350 Flat Top 355 4.087" 1.612" .980" 10.57:1 10.38:1 9.71:1 9.51:1 9.22:1 8.78:1
$599.00
2020+.068 350 Flat Top 362 4.125" 1.612" .980" 10.74:1 10.55:1 9.86:1 9.66:1 9.37:1 8.92:1
$599.00

400 - 418 C.I.D.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
62.5 cc
Head
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
Price
2025
(1965-1967)
Early
400
Flat Top 411 4.057" 1.612" .980" 12.08:1 11.87:1 11.09:1 10.85:1 10.52:1 10.01:1
$599.00
2025+.030 Early
400
Flat Top 418 4.087" 1.612" .980" 12.24:1 12.02:1 11.23:1 10.99:1 10.65:1 10.14:1
$599.00
2028
(1968-1970)
Late
400
2.5 cc 400 3.870" 1.740" .980" 11.49:1 11.29:1 10.57:1 10.35:1 10.04:1 9.57:1
$696.00

403 - 410 C.I.D.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
85 cc
Head
Price
2230+.030 403 Flat Top   4.381" 1.612" .980"       10.2:1 9.5:1 9.1:1
$599.00

425 - 432 C.I.D.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
62.5 cc
Head
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
Price
2040 425 4.6 cc 425 4.125" 1.612" .980" 11.78:1 11.59:1 10.87:1 10.65:1 10.34:1 9.86:1
$599.00
2040+.030 425 4.6 cc 432 4.155" 1.612" .980" 11.93:1 11.73:1 11.01:1 10.78:1 10.47:1 9.99:1
$599.00

455 - 468 C.I.D.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
62.5 cc
Head
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
Price
2050 455 40.3 cc 455 4.125" 1.735" .980" 9.00:1 8.89:1 8.51:1 8.39:1 8.22:1 7.95:1
$489.00
2050+.030 455 40.3 cc 461 4.155" 1.735" .980" 9.11:1 9.01:1 8.62:1 8.50:1 8.32:1 8.05:1
$489.00
2060 455 14.5 cc 455 4.125" 1.735" .980" 11.27:1 11.10:1 10.49:1 10.30:1 10.03:1 9.61:1
$489.00
2060+.030 455 14.5 cc 461 4.155" 1.735" .980" 11.41:1 11.25:1 10.62:1 10.43:1 10.15:1 9.73:1
$499.00
2060+.040 455 14.5 cc 464 4.165" 1.735" .980" 11.46:1 11.29:1 10.66:1 10.47:1 10.20:1 9.77:1
$499.00
2060+.060 455 14.5 cc 468 4.185" 1.735" .980" 11.56:1 11.39:1 10.75:1 10.56:1 10.28:1 9.85:1
$499.00

 Pistons (Cast Aluminum)
All pistons listed come complete with wrist pins.

Part No. Engine
(Olds)
Piston
Dish
C.I.D. Bore Comp.
Dist
Wrist
Pin
62.5 cc
Head
64 cc
Head
70 cc
Head
72 cc
Head
75 cc
Head
80 cc
Head
Price
2010 350 11.9 cc 350 4.057" 1.612" .980" 9.16:1 9.02:1 8.52:1 8.36:1 8.14:1 7.81:1
$429.00
2010+.030 350 11.9 cc 355 4.087" 1.612" .980" 9.28:1 9.14:1 8.63:1 8.47:1 8.25:1 7.90:1
$429.00
2030 403 20.5 cc 403 4.351" 1.612" .980" 9.33:1 9.21:1 8.74:1 8.60:1 8.40:1 8.08:1
$499.00
2030+.030 403 20.5 cc 409 4.381" 1.612" .980" 9.44:1 9.31:1 8.85:1 8.70:1 8.50:1 8.17:1
$499.00
2030+.040 403 20.5 cc 410 4.391" 1.612" .980" 9.48:1 9.35:1 8.88:1 8.74:1 8.53:1 8.21:1
$499.00

TECHNICAL NOTE
Compression ratios were calculated using .020" deck clearance and a .040" (9.3 cc) head gasket.  With the 403 we used a .045" (11.2 cc) head gasket.  For these forged pistons use .003"-.004" piston to wall clearance for street/strip applications.  For bracket racing & marine applications use .004"-.005" piston to wall clearance.


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