Page 99 - Diamond Pistons

Big Block Ford
429 BOSS FLAT TOP SERIES
• 3D milling on piston crowns for ready to install nish
• Designed to work with OEM, Motorsport “Boss” Heads, E2ZM, E3ZM & Kaase Boss
cylinder heads
• Top ring down dimension: .375”
• Ratios gured for .040 head gasket @ 10.320 Deck
• Standard 1/16 x 1/16 x 3/16 ring package
• Premium 8620 .185W wrist pins included
• Valve pocket depth: 0.275” intake and .269” exhaust
• Will work with up to a intake valve size of 2.400” and exhaust valve size of 1.900”
• Made from 2618 alloy
All items in red are non-stocking parts, made-to-order as necessary
Optional H-13, M2 and TP-1 wrist pins available as a upgrade to any piston part number - Contact Diamond Pistons for tech assistance
429 Block: 4.360 Std Bore 3.590 Std Stroke
COMPRESSION RATIO
Bore
Stroke
Rod
C.D.
Weight
Pin
CC's
82cc
84cc
90cc
Ring Set
Part #
4.390
3.850
6.605
1.785
699
1.040 x 2.930
-7.0cc
10.3
10.2
9.7
09024390
40805
4.390
4.150
6.800
1.440
637
.990 x 2.930
-7.0cc
11.1
10.9
10.3
09024390
40809
4.390
4.300
6.800
1.365
620
.990 x 2.930
-7.0cc
11.4
11.2
10.7
09024390
40813
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97
DOMESTIC SERIES