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350 STANDARD & GP 23º INV. DOME

Specifically designed for circle track and road racing applications, where the rules call for a 9.5:1 piston. GP Series accepts .043, .043, 3mm backcut rings and includes lateral gas ports for optimum ring seal. Standard 350 Series accepts 1/16, 1/16, 3/16 rings.

Includes:
Pin #927-2750-15-51S (130g)
Double Spiro Locks # 927-042-CS
Lateral Gas Ports on GP Series

350 SERIES GP
Std Bore: 4.000
Ring package designed for: .043, .043, 3MM Rings

 Tech and Installation Tips
 Valve Relief Diagram
Part # Cubic
Inches
Bore Stroke Rod
Length
Block
Height
Compression
Distance
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Volume
Gram
Weight
Footnote Oversize
173581 357 4.030 3.500 6.125 9.000 1.125 10.1 9.5 8.4 -13.0 409 A,M 0.030
173582 357 4.030 3.500 6.000 9.000 1.250 10.1 9.5 8.4 -13.0 429 A,M 0.030

350 SERIES STANDARD
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # Cubic
Inches
Bore Stroke Rod
Length
Block
Height
Compression
Distance
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Volume
Gram
Weight
Footnote Oversize
130974 357 4.030 3.500 6.000 9.000 1.250 10.0 9.3 8.3 -14.5 427 A,M 0.030
130976 359 4.040 3.500 6.000 9.000 1.250 10.0 9.3 8.3 -14.5 431 A 0.040
130968 355 4.020 3.500 5.700 9.000 1.550 10.0 9.3 8.3 -14.5 465 A,M 0.020
130969 357 4.030 3.500 5.700 9.000 1.550 10.0 9.3 8.3 -14.5 472 A 0.030


- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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