SKU: 31-602-8

*Discontinued* Very Choppy Idle Big Mutha' Thumpr 243/257 LSA 107 Hydraulic Roller Camshaft Ford Windsor 289 302W SBF Small Block

$948.02

or 4 payments of $237.00 with Info

SOLD OUT

Description

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

Specifications

SKU 31-602-8
Barcode # 036584212065
Brand COMP CAMS
Lifters Included No
Camshaft Series Thumpr
Exhaust Duration At .050 Inch Lift 257
Advertised Exhaust Duration 319
intake valve lift 0.552
Camshaft Gear Attachment 1-Bolt
Basic Operating Rpm Range 2,500-6,200
Lobe Separation 107
Cam Type Hydraulic Roller
Lifter Type Hydraulic Roller
Valve Springs Required Yes
Grind Number 299THR7
Intake Duration At .050 Inch Lift 243
Advertised Intake Duration 299
Exhaust Valve Lift 0.537
Camshaft Material Austempered Ductile Iron

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