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Diamond Pistons

Ford Big Block 385 Series
Street / Strip - Dish Top
Piston

• Will fit all heads that use OEM valve layouts (M-6049-SCJ, Edelbrock,
Blue Thunder, and Trick Flow “street” aluminum heads) 2618 alloy.
• Designed for pump gas friendly compression ratios.
• Can be used with small nitrous kits & blowers.
• Ratios figured for .005” deck@10.300”.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 wrist pins included.
• Gasket volume = 10.4 cc’s.
• Top ring down = .290”.
• Valve relief depths = .297” intake & .109” exhaust.
• Some items are non-stock parts, made to order as necessary. See the shopping cart for availability.

385 Series Street / Strip Dish Top
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
72cc 76cc 92cc
9.8
9.8
9.9
10.0

9.5
9.5
9.6
9.7

8.5
8.5
8.6
8.7
40210
$748
4.390
4.400
4.420
4.440
4.150
6.800
1.420
570
574
579
584
.990
-32.0
40222
$748
4.390
4.400
4.420
4.440
4.300
6.800
1.345
534
543
555
560
.990
-36.0
9.8
9.8
9.9
10.0

8.5
9.6
9.6
9.7

8.6
8.6
8.7
8.7

40234
$748
4.390
4.400
4.420
4.440
4.500
6.700
1.345
534
543
555
560
.990
-38.0
10.1
10.1
10.1
10.3

9.8
9.8
9.8
10.0

8.8
8.8
8.8
9.0
40230*
$780
4.390
4.400
4.420
4.440
4.500
6.800
1.245
530
534
541
546
.990
-38.0
10.1
10.1
10.1
10.3

9.8
9.8
9.8
10.0

8.8
8.8
8.9
9.0

 

385 Series Street / Strip Dish Top
Replacement pistons that use stock rods. Build an economy stroker and save $$$!
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
72cc 76cc 92cc
9.7
9.7
9.8
9.9
9.4
9.4
9.5
9.6
8.3
8.4
8.4
8.5
40201
$748
4.390
4.400
4.420
4.440
3.850
6.605
1.765
-
1.040
-25.0
40220
$748
4.390
4.400
4.420
4.440
4.300
6.605
1.540
586
592
600
609
1.040
-36.0
9.8
9.8
9.9
10.0
9.5
9.6
9.6
9.7
8.6
8.6
8.7
8.7

 

385 Series Street / Strip Dish Top
Crate engine replacement pistons. Highest quality, fully machined, heavy duty pistons for your crate engine!
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
72cc 76cc 92cc
9.8
9.8
9.9
10.0
9.5
9.6
9.6
9.7
8.6
8.6
8.7
8.7
40221
$748
4.390
4.400
4.420
4.440
4.300
6.605
1.540
-
.990
-36.0

 

* Includes Oil ring support rails.

 
Call 1-877-354-3812
to order your Parts Today!

Contact us Via Email

About RPM Machine | Specials | Newsletter
RPM Machine-Performance Auto Parts
8060 so 1300 W
West Jordan Utah 84088
We carry parts from scat, je, wiseco, ross, crower, callies, eagle, cat, eagle
Most of our rotating assemblies include forged pistons
and 4340 steelcranks


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