Thumpr NIT 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454

Thumpr NIT 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454

$366.44

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. Nitrided.

SKU: COMP-11-602-20 Category:

Description

Additional Attributes:

GTIN: 00036584177869
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Camshaft Series: Thumpr
Usage: Street/Strip
Cam Type: Hydraulic Flat Tappet
Grind Number: 295TH7
Basic Operating RPM Range: 2,300-6,200
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 inch Lift: 257
Advertised Intake Duration: 295
Advertised Exhaust Duration: 312
Lobe Separation: 107
Intake Valve Lift: 0.522
Exhaust Valve Lift: 0.507
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Nitrided Cast Iron
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lifter Type: Hydraulic Flat Tappet
Amazon ASIN: B002EDX1L6
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.

Packaging:

Quantity of Each: 1
Package UOM: EA

PDF:

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